Java Collection, ArrayList Exercises: Shuffle elements in a array list
Java Collection, ArrayList Exercises: Exercise-10 with Solution
Write a Java program to shuffle elements in a array list.
Pictorial Presentation:
Sample Solution:-
Java Code:
import java.util.*;
public class Exercise10 {
public static void main(String[] args) {
// Creae a list and add some colors to the list
List<String> list_Strings = new ArrayList<String>();
list_Strings.add("Red");
list_Strings.add("Green");
list_Strings.add("Orange");
list_Strings.add("White");
list_Strings.add("Black");
System.out.println("List before shuffling:\n" + list_Strings);
Collections.shuffle(list_Strings);
System.out.println("List after shuffling:\n" + list_Strings);
}
}
Sample Output:
List before shuffling: [Red, Green, Orange, White, Black] List after shuffling: [White, Orange, Black, Red, Green]
Flowchart:
Java Code Editor:
Contribute your code and comments through Disqus.
Previous: Copy one array list into another.
Next: Reverse elements in a array list.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
- New Content published on w3resource:
- HTML-CSS Practical: Exercises, Practice, Solution
- Java Regular Expression: Exercises, Practice, Solution
- Scala Programming Exercises, Practice, Solution
- Python Itertools exercises
- Python Numpy exercises
- Python GeoPy Package exercises
- Python Pandas exercises
- Python nltk exercises
- Python BeautifulSoup exercises
- Form Template
- Composer - PHP Package Manager
- PHPUnit - PHP Testing
- Laravel - PHP Framework
- Angular - JavaScript Framework
- Vue - JavaScript Framework
- Jest - JavaScript Testing Framework