EqualsTest.java

package Object_Equals_toString;

public class EqualsTest 
{
	
	public static void main(String[] args)
	{
		Employee alice1 = new Employee("Alice Adams", 75000, 1987, 12, 15);
		Employee alice2 = alice1;
		Employee alice3 = new Employee("Alice Adams", 75000, 1987, 12, 15);
		
		Employee bob = new Employee("Bob Bradson", 50000, 1989, 10, 1);
		
		System.out.println("alice1 == alice2: " + (alice1 == alice2));
		System.out.println("alice1 == alice3: " + (alice1 == alice3));
		
		System.out.println("alice1.equals(alice3): "+ alice1.equals(alice3));
		System.out.println("alice1.equals(bob): "+ alice1.equals(bob));
		
		System.out.println("bob.toString(): " + bob);
		
		Manager carl = new Manager("Carl Cracker", 80000, 1987, 12, 15);
		Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
		boss.setBonus(5000);
		
		System.out.println("boss.toString(): " + boss);
		
		System.out.println("carl.equals(boss): " + carl.equals(boss));
		
		System.out.println("alice1.hashCode(): "+ alice1.hashCode());
		System.out.println("alice3.hashCode(): "+ alice3.hashCode());
		System.out.println("bob.hashCode(): " + bob.hashCode());
		System.out.println("carl.hashCode(): "+ carl.hashCode());
	}
}