(a) In the space provided on the Answer Sheets for this question, write the code for the predicate method 4. equals. The method returns true if the instance variables of the calling object and of the other object (also of type Triplet) have matching values. If they don't, the method returns false. (b) In the space provided on the Answer Sheets for this question, write the code for the predicate method allEqual. The method returns true when all three instance variables of the calling object have the same value provided that the object calling the method is not a null Triplet. If the calling object is null or not all three instance variables are equal, the method returns false. / Code of Questions 4a and 4 b goes here public String toString) String local; local = "inti: " + intl + " "; local "int2: "+int2+" local+ "int3: "+int3; return local