Question

for java!!

Make a public class Value that provides a static method named test. test takes a single int argument and returns an anonymous object that implements the following Absolute interface:

public interface Absolute {

int same();

int opposite();

}

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The returned object should implement same so that it returns the passed int as it is, and opposite so that it returns the passed int as the int * -1. For example

Absolute first = Value.test(-90)

Absolute second = Value.test(32)

System.out.println(first.same()); // prints -90.

System.out.println(first.opposite()); // prints 90.

System.out.println(second.same()); // prints 32.

System.out.println(second.opposite()); prints -32.

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Please continue what I have started:

public class Value {

public static Absolute test(int input) {

I’m not too sure how to continue. I tried

new Value() {

public int same() {

return input;

but it didn’t work. please help in the simplest form of code possible, i am a beginner java student

Answer 1

Explanation:I have continued your code and have implemented the test method to return the anonymous Absolute object. It has the main method which also shows the output of the program, please find the image attached with the answer.Please upvote if you liked my answer and comment if you need any modification or explanation.

//Absolute

public interface Absolute {

   int same();

   int opposite();

}

//Value class

public class Value {

   public static Absolute test(int input) {

       return new Absolute() {

           @Override
           public int same() {
               return input;
           }

           @Override
           public int opposite() {
               return -input;
           }
       };

   }

   public static void main(String[] args) {
       Absolute first = Value.test(-90);
       Absolute second = Value.test(32);
       System.out.println(first.same()); // prints -90.
       System.out.println(first.opposite()); // prints 90.
       System.out.println(second.same()); // prints 32
       System.out.println(second.opposite());// prints -32.
   }
}

Output: