JAVA Overriding and Overloading What is output of the program?class Test{ public void display(int x, double y){ System.out.println(x+y); } public double display(int p, double q){ return (p+q); } public static void main(String args[]){ Test test = new Test(); test.display(4, 5.0); System.out.println(test.display(4, 5.0)); }} 9 9 Compilation Error 9.0 9.0 None of these 9 9 Compilation Error 9.0 9.0 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading what is the result of the following piece of code:public class Person{ public void talk(){ System.out.print("I am a Person"); }}public class Student extends Person{ public void talk(){ System.out.print("I am a Student"); }}public class Test{ public static void main(String args[]){ Person p = new Student(); p.talk(); }} I am a Person I am a Person I am a Student I am a Student I am a Student I am a Person I am a Person I am a Person I am a Student I am a Student I am a Student I am a Person ANSWER DOWNLOAD EXAMIANS APP
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();}} Compilation Error Class Two method1 Nothing will be printed Class One method1 Compilation Error Class Two method1 Nothing will be printed Class One method1 ANSWER DOWNLOAD EXAMIANS APP
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)); }} Runtime error Will compile and run printing out 20 Will compile and run printing out 25 Will not compile. Runtime error Will compile and run printing out 20 Will compile and run printing out 25 Will not compile. ANSWER DOWNLOAD EXAMIANS APP
JAVA Overriding and Overloading What will be printed after executing following program code?class Base{int value = 0; Base(){ addValue(); } void addValue(){ value += 10; } int getValue(){ return value; }}class Derived extends Base{Derived(){addValue();}void addValue(){value += 20;}}public class Test{public static void main(String[] args){Base b = new Derived();System.out.println(b.getValue());}} None of these 40 20 10 30 None of these 40 20 10 30 ANSWER DOWNLOAD EXAMIANS APP