Java Object method tests

This repository is to test the hashCode(), equals() and compareTo() in JAVA objects.

Test cases for Equals

* With literals and `new String()` constructor 
* with same and different values
* With all combinations

EqualsAndHashCodeTest.java file contains above test cases.

Create test cases for Equals of Person

* With correct and wrong equals and hash code implementation
* With different data structure `HashMap`,`Set` and `ArrayList`

PersonTest.java file contains above test cases.

Write test for different comparators for persons

* name
* name length
* age
* reverse

PersonTest.java file contains above test cases.

Write test cases for

* ArrayList with different types 
* Do it with extends also.

PersonTest.java file contains above test cases.