Which of the following are entry controlled loops?

(a) for

(b) while

(c) do..while

(d) switch

1. only a
2. a and b
3. a and c
4. c and d

Method which reverses a given number is:

1. Impure method
2. Pure method
3. Constructor
4. Destructor

Invoking a method by passing the objects of a class is termed as:

1. Call by reference
2. Call by value
3. Call by method
4. Call by constructor

The correct statement to create an object named mango of class fruit:

1. Fruit Mango= new fruit();
2. fruit mango = new fruit();
3. Mango fruit=new Mango();
4. fruit mango= new mango();