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
30
10
40
20

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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 Student
I am a Student I am a Person
I am a Student
I am a Person

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JAVA Overriding and Overloading
Determine output:class A{ public void printValue(){ System.out.println("Value-A"); }}class B extends A{ public void printNameB(){ System.out.println("Name-B"); }}class C extends A{ public void printNameC(){ System.out.println("Name-C"); }}1. public class Test{2. public static void main (String[] args){3. B b = new B();4. C c = new C();5. newPrint(b);6. newPrint(c);7. }8. public static void newPrint(A a){9. a.printValue();10. }11. }

None of these
Value-A Name-B
Value-A Value-A
Value-A Name-C
Name-B Name-C

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