matches: Will check if the complete string entered is equal to the value present in the string object.
equalsIgnoreCase: Ignoring t
matches() used for verifying---- whether the given string matches to specified regexpression
ex.;String s = "humbapumpa jim"; assertTrue(s.matches(".(jim|joe)."));
equals() for just checking the given string with specified string as exact match. equalsIgnoreCase() --- will ignore the case sensitive.