Please answer quickly

1-

You can implement any of the following methods that are declared inside the Lambdas interface as a lambda expression.

public interface Lambdas {

void print();

void printOdds(int n);

}

Select one:

True

False

2-

What will be the output of the following code:

public class Demo{ public static void main(String[] args) { StringBuffer s1 = new StringBuffer("Complete"); s1.setCharAt(2,'i'); s1.setCharAt(7,'d'); System.out.println(s1); } }

Select one:

a.

Iomplede

b.

Coipletd

c.

Coimpletd

d.

Complete

3-

int x[] = int[]{10,20,30}; Arrays can also be created and initialize as in above statement.

Select one:

True

False

4-

In the following statement:

Employee e1=new Manager();

e1 is known to be a polymorphic variable, given that the Class Manager extends the Employee class.

Select one:

True

False

5-

A class that is declared as final can:

Select one:

a.

neither extend nor implement any classes or interfaces

b.

only extend abstract classes

c.

extend a single class and implement a single interface

d.

extend and implement multiple classes and interfaces