打印数组结果不止一次?
Printing array result more than once?
我需要 println 仅显示第一个结果 (input[0]),但它为每个拆分显示一次。例如,如果我将字符串分成 5 个部分,它会再打印一次吗?
输入:"Chelsea : Arsenal : 2 : 1"
输出:
切尔西
切尔西
切尔西
切尔西
请输入匹配结果:
Scanner sc = new Scanner(System.in);
for (int b=0; b < 5; b++){
System.out.println("please enter match result:");
String s = sc.nextLine();
String input[] = s.split(":"); // parse strings in between the dash character
for(String temp : input ) {
String hometeam = input[0];
String awayteam = input[1];
String homescore = input[2];
String awayscore = input[3];
System.out.println(input[0]);
/*for(int a=0; a<input.length; a++)//length is the property of array
System.out.println(input[a]);
*/
}
}
将你的 System.out.println(fruits[0]);
从你的 for 循环内部移动到你的 for 循环外部,就像这样 -
Scanner sc = new Scanner(System.in);
for (int b=0; b < 5; b++) {
System.out.println("please enter match result:");
String s = sc.nextLine();
String input[] = s.split(":"); // parse strings in between the dash character
for(String temp : input ) {
String hometeam = input[0];
String awayteam = input[1];
String homescore = input[2];
String awayscore = input[3];
}
System.out.println(input[0]);
}
我需要 println 仅显示第一个结果 (input[0]),但它为每个拆分显示一次。例如,如果我将字符串分成 5 个部分,它会再打印一次吗?
输入:"Chelsea : Arsenal : 2 : 1"
输出: 切尔西
切尔西
切尔西
切尔西
请输入匹配结果:
Scanner sc = new Scanner(System.in);
for (int b=0; b < 5; b++){
System.out.println("please enter match result:");
String s = sc.nextLine();
String input[] = s.split(":"); // parse strings in between the dash character
for(String temp : input ) {
String hometeam = input[0];
String awayteam = input[1];
String homescore = input[2];
String awayscore = input[3];
System.out.println(input[0]);
/*for(int a=0; a<input.length; a++)//length is the property of array
System.out.println(input[a]);
*/
}
}
将你的 System.out.println(fruits[0]);
从你的 for 循环内部移动到你的 for 循环外部,就像这样 -
Scanner sc = new Scanner(System.in);
for (int b=0; b < 5; b++) {
System.out.println("please enter match result:");
String s = sc.nextLine();
String input[] = s.split(":"); // parse strings in between the dash character
for(String temp : input ) {
String hometeam = input[0];
String awayteam = input[1];
String homescore = input[2];
String awayscore = input[3];
}
System.out.println(input[0]);
}