fork download
copy 
  1.     public class Main {
  2.  
  3.     	public static void main(String[] args) {
  4.  
  5.     		C c = new C("Test", 10);
  6.     		D d = new D("Test", 10);
  7.  
  8.     		if (c.equals(d))
  9.     			System.out.println("Equal");
  10.     		else
  11.     			System.out.println("Unequal");
  12.  
  13.     		if (d.equals(c))
  14.     			System.out.println("Equal");
  15.     		else
  16.     			System.out.println("Unequal");
  17.     	}
  18.     }
  19.  
  20.  
  21.     class C
  22.     {
  23.     	C(String cstr, int cnum) {
  24.     		str = cstr;
  25.     		num = cnum;
  26.     	}
  27.  
  28.     	@Override
  29.     	public boolean equals(Object otherObject) {
  30.  
  31.     		// A quick test to see if the objects are identical.
  32.     		if (this == otherObject) {
  33.     			return true;
  34.     		}
  35.  
  36.     		// Must return false if the explicit parameter is null
  37.     		if (otherObject == null)
  38.     		{
  39.     			return false;
  40.     		}
  41.  
  42.     		if (!(otherObject instanceof C))
  43.     			return false;
  44.  
  45.     		// Now we know otherObject is a non-null Employee
  46.     		C other = (C) otherObject;
  47.  
  48.     		// Test whether the fields have identical values
  49.     		return str.equals(other.str) && num == other.num;
  50.     	}
  51.  
  52.     	private String str;
  53.     	private int num;
  54.     }
  55.  
  56.     class D extends C {
  57.  
  58.     	D(String cstr, int cnum) {
  59.     		super(cstr, cnum);
  60.     	}
  61.     }
Success #stdin #stdout 0.1s 320320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Equal
Equal
https://ideone.com/PhFBwG
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!