单例进入无限循环
Singleton going into an infinite loop
我正在使用单例模式构建一个 class,但是它确实接收了另一个单例作为参数,它不起作用,真的可以吗?
这是整个项目:https://github.com/raphaelbgr/SwingSocketClient/tree/master/src
package clientmain;
import gui.janelas.JanelaMain;
public class ClientMain {
public static int port = 0;
public static Thread receiver = null;
public static String ip = null;
public static String your_name = null;
public static void main(String[] args) {
JanelaMain jam = JanelaMain.getInstance(); //JanelaMain extends JFrame
jam.setLocationByPlatform(false);
}
这是它的单例块。
//SINGLETON PATTERN BLOCK
private static JanelaMain jam;
public static JanelaMain getInstance() {
if (JanelaMain.jam == null) {
jam = new JanelaMain(JanelaSelectServer.getInstance()); //Another one passed by parameter
}
return jam;
}
另一个class单例块:
//SINGLETON PATTERN BLOCK
private JanelaSelectServer() {} //JanelaSelectServer extends another JFrame
private static JanelaSelectServer jsv;
public static JanelaSelectServer getInstance() {
if (jsv == null) {
jsv = new JanelaSelectServer();
}
return jsv;
}
狗屎发生(循环)
s.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
谢谢。
问题不在于那些 classes,而在于 ConnectionLog class。您正试图在 JanelaMain 中创建一个实例,而 ConnectionLog 试图创建一个 JanelaMain 实例。
@SuppressWarnings("serial")
public class JanelaMain extends JFrame {
private FlowLayout layout = new FlowLayout();
private JTextField jtxt_send = null;
//CUSTOM SWING COMPONENTS
private ConnectionLog cn_log = ConnectionLog.getInstance();
private TextLog msg_list = TextLog.getInstance();
@SuppressWarnings("serial")
public class ConnectionLog extends JTextField {
private JanelaMain jam = JanelaMain.getInstance();
你的代码看起来有点奇怪,为什么要把一个单例给另一个?你可以在需要的时候使用单例 class 而不需要将它交给另一个 class.
我正在使用单例模式构建一个 class,但是它确实接收了另一个单例作为参数,它不起作用,真的可以吗?
这是整个项目:https://github.com/raphaelbgr/SwingSocketClient/tree/master/src
package clientmain;
import gui.janelas.JanelaMain;
public class ClientMain {
public static int port = 0;
public static Thread receiver = null;
public static String ip = null;
public static String your_name = null;
public static void main(String[] args) {
JanelaMain jam = JanelaMain.getInstance(); //JanelaMain extends JFrame
jam.setLocationByPlatform(false);
}
这是它的单例块。
//SINGLETON PATTERN BLOCK
private static JanelaMain jam;
public static JanelaMain getInstance() {
if (JanelaMain.jam == null) {
jam = new JanelaMain(JanelaSelectServer.getInstance()); //Another one passed by parameter
}
return jam;
}
另一个class单例块:
//SINGLETON PATTERN BLOCK
private JanelaSelectServer() {} //JanelaSelectServer extends another JFrame
private static JanelaSelectServer jsv;
public static JanelaSelectServer getInstance() {
if (jsv == null) {
jsv = new JanelaSelectServer();
}
return jsv;
}
狗屎发生(循环)
s.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
at gui.janelas.JanelaMain.getInstance(JanelaMain.java:144)
at gui.updatelogs.ConnectionLog.<init>(ConnectionLog.java:13)
at gui.updatelogs.ConnectionLog.getInstance(ConnectionLog.java:34)
at gui.janelas.JanelaMain.<init>(JanelaMain.java:37)
谢谢。
问题不在于那些 classes,而在于 ConnectionLog class。您正试图在 JanelaMain 中创建一个实例,而 ConnectionLog 试图创建一个 JanelaMain 实例。
@SuppressWarnings("serial")
public class JanelaMain extends JFrame {
private FlowLayout layout = new FlowLayout();
private JTextField jtxt_send = null;
//CUSTOM SWING COMPONENTS
private ConnectionLog cn_log = ConnectionLog.getInstance();
private TextLog msg_list = TextLog.getInstance();
@SuppressWarnings("serial")
public class ConnectionLog extends JTextField {
private JanelaMain jam = JanelaMain.getInstance();
你的代码看起来有点奇怪,为什么要把一个单例给另一个?你可以在需要的时候使用单例 class 而不需要将它交给另一个 class.