And, or, not equal, operator

public class Demo03 {
    
    public static void main(String[] args) {
    
        boolean a = true;
        boolean b = false;
        System.out.println("a && b:"+(a&&b));
        System.out.println("a || b:"+(a||b));
        System.out.println("!(a || b):"+!(a||b));

        // Short-circuit operation 
        int c = 5 ;
        boolean d = (c<4)&&(c++<4);// A short circuit c<4 If it's wrong, it won't run back .
        System.out.println(d);
        System.out.println(c);//c The value of the or 5
        System.out.println("=========================================");


    }
}