What Will Be The Output Of The Following Java Programp Pre #1075

What will be the output of the following Java program?</p> <pre><code class="language-java" line="1"> interface calculate { void cal(int item); } class display implements calculate { int x; public void cal(int item) { x = item * item; } } class interfaces { public static void main(String args[]) { display arr = new display; arr.x = 0; arr.cal(2); System.out.print(arr.x); } }</code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs128 Java. It can also be found in gs gs128 Java Interfaces Packages - Java Interfaces - Quiz No.1.

 interface calculate { void cal(int item); } class display implements calculate { int x; public void cal(int item) { x = item * item; } } class interfaces { public static void main(String args[]) { display arr = new display; arr.x = 0; arr.cal(2); System.out.print(arr.x); } }