Remove Duplicates From ArrayList Without Collection In Java

Chapter: Interview Programs Last Updated: 15-06-2016 17:32:59 UTC

Program:

            /* ............... START ............... */
                
import java.util.ArrayList;

public class JavaArrayListRemoveDuplicates {

	public static void main(String[] args) {

		ArrayList<Object> al = new ArrayList<Object>();

		al.add("java");
		al.add('a');
		al.add('b');
		al.add('a');
		al.add("java");
		al.add(33);
		al.add("Scan");
		al.add(30);
		al.add("java");
		al.add(30);

		System.out.println("Before Remove Duplicate elements:" + al);

		for (int i = 0; i < al.size(); i++) {

			for (int j = i + 1; j < al.size(); j++) {
				if (al.get(i).equals(al.get(j))) {
					al.remove(j);
					j--;
				}
			}

		}
		System.out.println("After Removing duplicate elements:" + al);

	}
}
                /* ............... END ............... */
        

Output

Before Remove Duplicate elements:[java, a, b, a, java, 33, Scan, 30, java, 30]
After Removing duplicate elements:[java, a, b, 33, Scan, 30]

Tags

Remove Duplicates From ArrayList Without Using Collection, Java, Interview Programs

Similar Programs Chapter Last Updated
Java Program To Find Frequency Of Character In String Interview Programs 28-09-2017
Java Program To Find Power Of Number Using While Loop Interview Programs 30-08-2017
Java Program To Count Divisors Of Integer Number Interview Programs 24-06-2017
Java Program To Sort N Names In Ascending Order Interview Programs 24-06-2017
Java Program To Count Total Number Of Words In String Interview Programs 24-06-2017
Java Program To Print All Prime Numbers From 1 to N Interview Programs 24-06-2017
Java Program To Extract Digits / Numbers From String Interview Programs 22-09-2018
Java First Repeated Character In String Interview Programs 16-05-2017
Java String Character Repetition Count Interview Programs 15-05-2017
Java Program To Check Vowel Or Not Interview Programs 25-09-2018
Java Program To Check Alphabet Or Not Interview Programs 06-04-2017
Java Program To Find First Repeated And Non Repeated Character In String Interview Programs 25-03-2017
Java Spiral Matrix Interview Programs 22-09-2018
Java Program To Reverse A Number Using Strings Interview Programs 13-02-2017
Java Program To Print Diamond Star Pattern Interview Programs 16-12-2016
Java Program To Print Pyramid Pattern Of Star Interview Programs 16-12-2016
Java Program To Find Second Largest Number In Array Interview Programs 04-12-2016
Java Depth First Search Interview Programs 04-12-2016
Java Breadth First Search Interview Programs 04-12-2016
Java Linked List Length Recursive Solution Interview Programs 17-11-2016
Java Linked List Length Iterative Solution Interview Programs 17-11-2016
Java Linked List Node Deletion At Given Position Interview Programs 17-11-2016
Java Linked List Node Delete Interview Programs 17-11-2016
Java Sum Of Digits Using Recursion Interview Programs 06-11-2016
Java Program To Reverse Vowels Of String Interview Programs 05-11-2016
Java Program To Remove Vowels From String Interview Programs 05-11-2016
Java Find Top Two Maximum Numbers In Array Interview Programs 05-11-2016
Java QuickSort Example Interview Programs 05-11-2016
Java Binary Tree Spiral Level Traversal Interview Programs 04-11-2016
Java Binary Tree Preorder Traversal Interview Programs 04-11-2016

1 2 3 4 5