Q.1.
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();
      }
}

Explanation

Q.2.
What is the output for the below code ? 
class A{
      public A(){
            System.out.println("A");
      }
      public A(int i){
            this();
            System.out.println(i);
      }
}
class B extends A{
      public B(){
            System.out.println("B");
      }
      public B(int i){
            this();
            System.out.println(i+3);
      }
}
public class Test{
      public static void main (String[] args){
            new B(5);
      }
}

Explanation

Q.3.
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();
	}
}

Explanation

Q.4.
____________ method cannot be overridden.
Q.5.
What will be the output? 
class A{
      int i = 10;
      public void printValue(){
            System.out.print("Value-A");
      }
}

class B extends A{
      int i = 12;
      public void printValue(){
            System.out.print("Value-B");
      }
}

public class Test{
      public static void main(String args[]){
            A a = new B();
            a.printValue();
            System.out.print(a.i);
      }
}

Explanation

Q.6.
What is the output for the below code? 
public class Test{
      public static void printValue(int i, int j, int k){
            System.out.println("int");
      }

      public static void printValue(byte...b){
            System.out.println("long");
      }

      public static void main(String... args){
            byte b = 9;
            printValue(b,b,b);
      }
}

Explanation

Q.7.
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. }

Explanation