Java quiz 34: A simple switch statement

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This quiz demonstrates a simple Java switch statement for beginner.

Java quiz 34: A simple switch statement

Level: Easy

What is the output of the following code?

public class ColorPalette
  public static void main(String[] args)
    char color = 'r';
      case 'b':
        System.out.print("Blue ");
      case 'y':
        System.out.print("Yellow ");
      case 'r':
        System.out.print("Red ");
      case 'g':
        System.out.print("Green ");
        System.out.print("Black ");

Author: Sar Maroof

Select the correct answer.

a. This program writes “Red Green” to the standard output.
b. This program writes “Red” to the standard output.
c. This program writes “Red Green Black” to the standard output.
d. This program writes “Black” to the standard output.
e. This program writes Nothing to the standard output.

Answer explanation

  1. The variable color is a char type and is ‘r’. Therefore, the the r case r will be executed and it writes Red to the standard output.
  2. There is no break statement at the end of the case r, that means the the next block is also executed and Green is also written to the standard output.
  3. There is a break at the end of the case r block. Therefore the program is terminated and Red Green is written to the standard output.

The correct answer is: a.


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Sar Maroof is graduated from HBO Amsterdam "higher professional education". He is a professional computer programming teacher, gives master classes and publishes technical articles. His experience with developing software started from 2001 and he has worked as a software developer for several big as well as small companies and later as a freelancer. He is the author of Java quizmaster and Build a Java application in 7 days.

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