2.关系运算符

//关系运算符返回的结果： 正确  错误  布尔值
int a = 10;
int b = 20;
int c = 22;
//取余
System.out.println(c%b); // c/a  21/20 = 1.....2

System.out.println(a>b);
System.out.println(a<b);
System.out.println(a==b);
System.out.println(a>=b);
System.out.println(a!=b);