// equalshashcode/SuccinctEquality.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.*;

public class SuccinctEquality extends Equality {

public SuccinctEquality(int i, String s, double d) {

super(i, s, d);

System.out.println("made 'SuccinctEquality'");

}

@Override public boolean equals(Object rval) {

return rval instanceof SuccinctEquality &&

Objects.equals(i, ((SuccinctEquality)rval).i) &&

Objects.equals(s, ((SuccinctEquality)rval).s) &&

Objects.equals(d, ((SuccinctEquality)rval).d);

}

public static void main(String[] args) {

Equality.testAll( (i, s, d) ->

new SuccinctEquality(i, s, d));

}

}

/* Output:

made 'Equality'

made 'SuccinctEquality'

made 'Equality'

made 'SuccinctEquality'

made 'Equality'

made 'SuccinctEquality'

-- Testing null --

null instanceof Equality: false

Expected false, got false

-- Testing same object --

same object instanceof Equality: true

Expected true, got true

-- Testing different type --

different type instanceof Equality: false

Expected false, got false

-- Testing same values --

same values instanceof Equality: true

Expected true, got true

-- Testing different values --

different values instanceof Equality: true

Expected false, got false

*/