public class Solution{public static void main(String args[]){boolean x1 = true;boolean x2 = false;boolean x3 = true;if(x1!=x2){System.out.println("布尔类型变量判断是否相等可以用!=");}if(x1==x3){System.out.println("布尔类型变量判断是否相等可以用==");}}}

结果