JAVA EXAMPLE PROGRAMS

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Program: How to shuffle elements in LinkedList?


Description:

This example gives how to shuffle elements in the LinkedList. By calling Collections.shuffle() method you can shuffle the content of the LinkedList. Everytime you call shuffle() method, it generates different order of output.


Code:
package com.java2novice.linkedlist;

import java.util.Collections;
import java.util.LinkedList;

public class MyLinkedListShuffle {

	public static void main(String a[]){
		
		LinkedList<String> list = new LinkedList<String>();
		list.add("Java");
		list.add("Cric");
		list.add("Play");
		list.add("Watch");
		list.add("Glass");
		list.add("Movie");
		list.add("Girl");
		
		Collections.shuffle(list);
		System.out.println("Results after shuffle operation:");
		for(String str: list){
			System.out.println(str);
		}
		
		Collections.shuffle(list);
		System.out.println("Results after shuffle operation:");
		for(String str: list){
			System.out.println(str);
		}
	}
}

Output:
Results after shuffle operation:
Movie
Girl
Watch
Glass
Java
Cric
Play
Results after shuffle operation:
Glass
Watch
Play
Girl
Cric
Movie
Java
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List Of All LinkedList Sample Programs:

  1. Basic LinkedList Operations.
  2. How to read all elements in LinkedList by using iterator?
  3. How to copy or clone a LinkedList?
  4. How to add all elements of a list to LinkedList?
  5. How to delete all elements from my LinkedList?
  6. How to find does LinkedList contains all list elements or not?
  7. How to copy LinkedList to array?
  8. How to get sub list from LinkedList?
  9. How to sort LinkedList using Comparator?
  10. How to reverse LinkedList content?
  11. How to shuffle elements in LinkedList?
  12. How to swap two elements in a LinkedList?
  13. How to convert list to csv string format?
  14. How to add element at first position in LinkedList?
  15. How to add element at last position in LinkedList?
  16. How to read first element from LinkedList?
  17. How to read last element from LinkedList?
  18. How to iterate through LinkedList in reverse order?
  19. LinkedList push(), pop() operations examples.
  20. How to remove elements from LinkedList?
Knowledge Centre
What is abstract class or abstract method?
We cannot create instance for an abstract class. We can able to create instance for its subclass only. By specifying abstract keyword just before class, we can make a class as abstract class.

public abstract class MyAbstractClass{

}

Abstract class may or may not contains abstract methods. Abstract method is just method signature, it does not containes any implementation. Its subclass must provide implementation for abstract methods. Abstract methods are looks like as given below:

public abstract int getLength();
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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