Question

I can compare two different objects to know whether they belong to same class or different using both == operator and equals method also. But which one is the better approach and how? Have a look on both approach that i followed. What is better way to compare class of two objects

 //r2 and r3 are two different objects    
//first approach   Using == operator
    boolean firstApproach = ((Object)(r2.getClass()) ==((Object)r3.getClass()));

//second approach   Using equals method to compare
            boolean secondApproach = ((Object)(r2.getClass())).equals(((Object)r3.getClass()));
            System.out.println("...firstApproach ..."+firstApproach +"...secondway.."+secondway );

Answer 1

java.lang.Class inherits its equals() implementation from java.lang.Object:

public boolean equals(Object obj) {
  return (this == obj);
}

So it doesn’t matter which way you compare classes. Also, class loaders are irrelevant as the behaviour will stay the same.