JAVA Overriding and Overloading
What will be the output of the following program code?class Rectangle{ public int area(int length, int width){ return length*width; }}class Square extends Rectangle{ public int area(long length, long width){ return (int) Math.pow(length, 2); }}public class Test{ public static void main(String args[]){ Square r = new Square(); System.out.println(r.area(5 , 4)); }}

Will compile and run printing out 25
Will compile and run printing out 20
Runtime error
Will not compile.

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JAVA Overriding and Overloading
What is the output for the below code ?class A{ private void printName(){ System.out.println("Value-A"); }}class B extends A{ public void printName(){ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args){ B b = new B(); b.printName(); }}

Name-B
Value-A
Value-A Name-B
None of these
Compilation fails - private methods can't be override

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JAVA Overriding and Overloading
What will be the output?interface A{public void method1();}class One implements A{public void method1(){System.out.println("Class One method1");}}class Two extends One{public void method1(){System.out.println("Class Two method1");}}public class Test extends Two{public static void main(String[] args){A a = new Two();a.method1();}}

Nothing will be printed
Class Two method1
Class One method1
Compilation Error

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