Java 5: Enhanced for loops

Java 5 features
 Enhanced for Loop |   Varargs |   Static import |   Autoboxing and unboxing |   Enum types |   Generics |   Annotations |   By date 

Enhanced for loops is introduced in Java 5. This feature allows you to handle loops in a simple. In the example below we compare the new for loop with the older one! For more info click here to read Oracle’s explanation.

Example 1: Enhanced for loops code

What is the output of the following code?

public class EnhancedForLoop
  public static void main(String[] args)
    String brands[] = {"Dell", "HP", "IBM"};
    // enhanced for loop
    for(String element: brands)
      System.out.print(element + " ");
    // older Java versions
    for(int i = 0; i < brands.length; i++)
      System.out.print(brands[i] + " ");
Author: Sar Maroof

Answer explanation

The answer is simple. both loops write the same elements of the array brands to the standard output.

The correct answer is: Dell HP IBM Dell HP IBM.

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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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