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InsertKeyElement.java

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package arrays;

import java.util.Scanner;

class InsertElement{

Scanner sc = new Scanner(System.in);

void display(int[] a,int key,int index) {

for(int i = a.length;i>index;i++) {

a[i] = a[i-1];

a[index] = key;

}

System.out.println("Array Element After Inserting Key");

for(int i = 0;i<a.length;i++)

System.out.println(a[i]);

}

public void readArray() {

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

int n = sc.nextInt();

int[] a = new int[n];

System.out.println("Enter the array elements");

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

a[i] = sc.nextInt();

System.out.println("Enter the key elemenent to be inserted:");

int key = sc.nextInt();

System.out.println("Enter the index of key elemenent to be inserted:");

int index = sc.nextInt();

display(a,key,index);

}

public class InsertKeyElement {

public static void main(String[] args) {

// TODO Auto-generated method stub

InsertElement ie = new InsertElement();

ie.readArray();

}