In a for loop, what is the next step after the execution of the instructions in each iteration is completed?

e.g. What is the next step after System.out.println(i) ?

for (int i=0; i < 5; i++) {

System.out.println(i);

}

checking the condition

Jumping out of the loop

Initializing the counter variable

Updating the counter variable

In what type of loop statement can we manipulate and change the loops counter in the loops body?

For loop

While loop

Both a and b

We cannot do this in either one

What is the statement used in a decision-making process?

For loop

While loop

If else statement and else is mandatory

If else statement and else is not mandatory

How many else statements can be used in an if statement?

1

2

0

As many as needed

What is the output of the following code and what is the value of the variable i once the loop concludes and the control jumps out of the loop? (% is the remainder of the division)

int i = 1;

while (i < 10)

if (i % 2 > 0) {

System.out.println(i);

i++;

}

else

i += 3;

1, 3, 5, 7, 9 and i=9

1, 3, 5, 7, 9 and i=10

1, 5, 9 and i=9

1, 5, 9 and i=10

Which one is a method signature?

void calculateAge(int year, int month, int day)

int calculateAge(int year, int month, int day)

public int calCulateAge(int year, int month, int year)

public int calculateAge(int, int, int)

What will the following code print?

String printMe = Im here!;

void printMe() {

String printMe = Im there!;

System.out.println(printMe);

}

System.out.println(printMe);

Im here!

Im there!

Im here!

Im there!

Im there!

Im here!

A protected member of a class is only available in the scope of the class.

True

False

Which one is correct about an array in Java?

An array has a variable length.

The elements of the array can be of different data types.

array[length] returns the last element in the array.

Indexing in an array starts from 0.

Which feature of OOP describes the reusability of the code?

Polymorphism

Inheritance

Encapsulation

Abstraction

Which of the following OOP concepts binds the code and data together and keeps them secure from the outside world?

Polymorphism

Inheritance

Encapsulation

Abstraction

What is the size of the class?

Sum of the size of all the variables in the class.

Sum of the size of all the inherited variables with the variables of the same class.

The size of the largest variable in the class.

A class does not have a size.

Which of the following helps achieving the concept of encapsulation in a class?

Using inheritance

Defining all the members of the class as private

Using proper access modifiers

None of the above

Which of the following statements is incorrect?

An object is an instance of the class.

A Java class can have multiple constructors.

Object and its class have the same size in memory.

Private members of a class cannot be accessed by its objects.

What will the following code print?

class Test

{

public static void main(String args[])

{

for (int i = 0; i < 4; i++)

{

System.out.println(i);

}

System.out.println(i);

}

}

0

1

2

3

4

0

1

2

3

0

1

2

3

4

5

The code will not be compiled.