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(); }}

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 Student

I am a Student I am a Person

I am a Person I am a Student

I am a Person

I am a Student

I am a Student I am a Person

I am a Person I am a Student

I am a Person

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

Runtime Error

Class A method

Class B method

None of these

Compilation Error

Runtime Error

Class A method

Class B method

None of these

Compilation Error

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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

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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

20

40

30

10

None of these

20

40

30

10

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JAVA Overriding and Overloading
____________ method cannot be overridden.

private

final

static

None of these

super

private

final

static

None of these

super

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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 not compile.

Will compile and run printing out 25

Will compile and run printing out 20

Runtime error

Will not compile.

Will compile and run printing out 25

Will compile and run printing out 20

Runtime error

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JAVA Overriding and Overloading

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

JAVA Overriding and Overloading ____________ method cannot be overridden.

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

JAVA Overriding and Overloading
____________ method cannot be overridden.