question: public void testEqualObjects ( ) { String value1 = "12378246728727834290276457386374882976782849" ; String value2 = "12378246728727834290276457386374882976782849" ; BigInteger aNumber1 = new BigInteger ( value1 ) ; BigInteger aNumber2 = new BigInteger ( value2 ) ; int code1 = aNumber1 . hashCode ( ) ; int code2 = aNumber2 . hashCode ( ) ; if ( aNumber1 . equals ( aNumber2 ) ) { assertTrue ( "hash codes for equal objects are unequal" , code1 == code2 ) ; } }
target:  Test hash codes for equal objects.