Java Quiz for Kids

What will this code print? System.out.print("Hello"); System.out.println(" World");

• Hello World

• Hello

• HelloWorld

• Hello World (on separate lines)

What is the output of this code? int x = 5; for(int i = 0; i < x; i++) { System.out.print(i + " "); }

• 0 1 2 3 4

• 1 2 3 4 5

• 0 1 2 3 4 5

• 5 4 3 2 1

Which is used to read input from the user?

• PrintWriter

• Scanner

• System.in.println

• StringReader

Choose the correct way to declare a float value.

• float a = 5.2;

• float a = "5.2f";

• float a = 5.2f;

• float a = "5.2";

What is the result of this code? int num = 3; if(num > 5) { System.out.println("Big"); } else { System.out.println("Small"); }

• Big

• Small

• Error

• Nothing

How many times will this loop run? for(int i = 1; i <= 3; i++) { System.out.println("Hi"); }

• 1

• 3

• 2

• 0

Which of the following is used to print without a new line?

• System.println

• print()

• System.out.print()

• echo()

What will this code print? double d = 7.5; System.out.println(d);

• 7

• 7.0

• 7.5

• Error

What will be printed? String name = "Alex"; System.out.println(name);

• name

• Alex

• "Alex"

• Error

What does Scanner sc = new Scanner(System.in); do?

• Writes to screen

• Creates a Scanner object

• Prints text

• Closes the program