int i = 3;
switch(i) {
case 1: System.out.println("1");
break;
case 2: System.out.println("2");
case 3: System.out.println("3");
case 4: System.out.println("4");
default:System.out.println("default");
}
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java 的switch case会输出什么 为什么
int i = 3; switch(i) { case 1: System.out.println("1"); break; case 2: System.out.println("2"); case 3: System.out.println("3"); case 4: System.out.println("4"); default:System.out.println("default"); }