Java Compare String

package com.java.myapp;

public class MyClass {

    public static void main(String[] args) {
          
    	String a = new String("String");
    	String b = "String";
    	String c = "String";

        if(a.equals(b)){
        	System.out.println("true");
        }else{
         	System.out.println("false");
        }
        
        if(a==b){
        	System.out.println("true");
        }else{
         	System.out.println("false");
        }
        
        System.out.println(b==c); 
        
    }
	
}