switch-case 無 break 如何打印
一、switch-case 無 break 時打印
public class Test {
public static void main(String[] args) {
int a = 1;
switch (a) {
case 1:
System.out.println("1");
case 2:
System.out.println("2");
}
}
}
二、switch-case 有 break 時打印
public class Test {
public static void main(String[] args) {
int a = 1;
switch (a) {
case 1:
System.out.println("1");
break;
case 2:
System.out.println("2");
break;
}
}
}