Java Help Sa mga seniors ko diyan

[Cutthroat]

Sa senior ko po diyan baka naman po pa help, promise wala na akong natutunan dito na part kaya papahelp nalang ako, pag aralan ko naman po after.

 

[Arcturus]

public class LogicGatesDemo{
    public static void main(String[] args) {
        LogicGates lg = new LogicGates();
        System.out.println(lg);
    }
}
class LogicGates {
    boolean and(boolean in1, boolean in2){
        return in1 && in2;
    }
    boolean or(boolean in1, boolean in2){
        return in1 || in2;
    }
    boolean xor(boolean in1, boolean in2){
        return in1 ^ in2;
    }
    boolean nand(boolean in1, boolean in2){
        return !(in1 && in2);
    }
    boolean nor(boolean in1, boolean in2){
        return !(in1 || in2);
    }
    boolean xnor(boolean in1, boolean in2){
        return !(in1 ^ in2);
    }
    public String toString(){
        System.out.println(and(true,true));
        System.out.println(and(false,true));
        System.out.println(or(false,true));
        System.out.println(or(false,false));
        System.out.println(xor(true,false));
        System.out.println(xor(true,true));
        System.out.println(nand(true,true));
        System.out.println(nand(false,true));
        System.out.println(nor(false,true));
        System.out.println(nor(false,false));
        System.out.println(xnor(true,false));
        System.out.println(xnor(true,true));
        return "";
    }
}