public class HelloWorld {
public static void main(String[] args) {
int one = 20 ;
if(one%2==0){
System.out.println("one是偶数");
}
else {
System.out.println("one是奇数");
}
}
}
System.out.println("one是偶数"); System.out.println("one是奇数");
这2行最后的分号错了,改成英文分号即可
public class HelloWorld { public static void main(String[] args) { int one = 20 ; if(one%2==0){ System.out.println("one是偶数"); }else { System.out.println("one是奇数"); } } }