37 lines
1.3 KiB
Java
37 lines
1.3 KiB
Java
package equals;
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/**
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* This program demonstrates the equals method.
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* @version 1.12 2012-01-26
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* @author Cay Horstmann
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*/
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public class EqualsTest
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{
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public static void main(String[] args)
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{
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Employee alice1 = new Employee("Alice Adams", 75000, 1987, 12, 15);
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Employee alice2 = alice1;
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Employee alice3 = new Employee("Alice Adams", 75000, 1987, 12, 15);
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Employee bob = new Employee("Bob Brandson", 50000, 1989, 10, 1);
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System.out.println("alice1 == alice2: " + (alice1 == alice2));
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System.out.println("alice1 == alice3: " + (alice1 == alice3));
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System.out.println("alice1.equals(alice3): " + alice1.equals(alice3));
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System.out.println("alice1.equals(bob): " + alice1.equals(bob));
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System.out.println("bob.toString(): " + bob);
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Manager carl = new Manager("Carl Cracker", 80000, 1987, 12, 15);
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Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
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boss.setBonus(5000);
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System.out.println("boss.toString(): " + boss);
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System.out.println("carl.equals(boss): " + carl.equals(boss));
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System.out.println("alice1.hashCode(): " + alice1.hashCode());
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System.out.println("alice3.hashCode(): " + alice3.hashCode());
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System.out.println("bob.hashCode(): " + bob.hashCode());
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System.out.println("carl.hashCode(): " + carl.hashCode());
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}
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} |