Java Programming Quiz

What is the output of the following code?

int a = 5, b = 2;

System.out.println(a + b * 2);

• 14

• 9

• 10

• 7

What will be printed?

int x = 10;

System.out.println(++x);

• 10

• 11

• 9

• Error

Avani is trying to name her new Java class for a school project. She wants to choose a name that follows the rules of valid identifiers in Java.

Which of the following names is NOT a valid identifier for her class?

• _student

• 123name

• name123

• $total

What is the output?

int x = 5;

int y = 10;

System.out.println(x > y ? x : y);

• 10

• 5

• true

• false

Aisha is learning programming and comes across several terms.

She needs to identify which of the following is NOT a Java keyword.

• this

• new

• integer

• class

What is the output of this while loop?

int i = 1;

while(i < 4)

{

System.out.print(i + " ");

i++;

}

• 0 1 2 3

• 1 2 3

• 1 2 3 4

• Infinite loop

During a coding workshop, Tisha is learning about escape sequences in programming.

She comes across a question about which escape sequence represents a newline.

Can you help her identify the correct one?

• \n

• \t

• \r

• \b

Akhil is working on a project where he has created a method to calculate the total cost of items in a shopping cart.

He wonders about the scope of a variable he declared inside this method.

What is the scope of that variable?

• Entire class

• Only inside that method

• Whole package

• Global

What is printed?

int a = 5;

a += 3;

System.out.println(a);

• 8

• 5

• 3

• 15

Myra is comparing two numbers to see if the first number is greater than the second and if a third number is less than a fourth number.

She writes the following code:

System.out.println(4 > 2 && 3 < 1);

What is the output?

• true

• false

• Error

• 1