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Leetcode_practice.java

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import java.util.ArrayList;

import java.util.Scanner;

class Remove {

void removeEle() {

ArrayList<Integer> num = new ArrayList<>();

System.out.println("Enter the size of the array : ");

try (Scanner sc = new Scanner(System.in)) {

int n = sc.nextInt();

System.out.println("Enter elements one by one:");

for (int i = 0; i < n; i++) {

int x = sc.nextInt();

num.add(x);

}

System.out.println("The entered array is : " + num);

System.out.print("Enter element to be removed : ");

int val = sc.nextInt();

for (int i = 0; i < n; i++) {

if (val == num.get(i)) {

num.remove(i);

--i; // decrement index because a gap created after removal

--n; // decrease count of remaining elements

num.add(0);

}

System.out.println("The entered array is : " + num);

}

public class Leetcode_practice {

public static void main(String[] args) {

// Testing the methods of the class.

// removing element in the array

Remove r = new Remove();

r.removeEle();

}