if语句

public class IfTest2 {
    public static void main(String[] args) {
        int x = 2;
        if (x == 3) {
            System.out.println("x must be 3");
        }
        else
        {
            System.out.println("x is NOT 3");
        }
        System.out.println("This runs no matter what");
    }
}


输出：

x is NOT 3
This runs no matter what