java learning: a comparison operation related

A comparison operation

1, comparison of the results are boolean type, that is either true, or is false.
2, the comparison operator "==" can not be mistakenly written as "=."

 

 Example:

public class Test {
    public static void main(String[] args) {        
        System.out.println(1==2);
        System.out.println(1!=2);
    }
}

operation result: