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InsertDeleteInArray.java

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package Others;

import java.util.*;

public class InsertDeleteInArray {

public static void main(String[] args) {

Scanner s = new Scanner(System.in); // Input statement

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

int size = s.nextInt();

int a[] = new int[size];

int i;

// To enter the initial elements

for (i = 0; i < size; i++) {

System.out.println("Enter the element");

a[i] = s.nextInt();

}

// To insert a new element(we are creating a new array)

System.out.println("Enter the index at which the element should be inserted");

int insert_pos = s.nextInt();

System.out.println("Enter the element to be inserted");

int ins = s.nextInt();

int size2 = size + 1;

int b[] = new int[size2];

for (i = 0; i < size2; i++) {

if (i <= insert_pos) {

b[i] = a[i];

} else {

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

}

}

b[insert_pos] = ins;

for (i = 0; i < size2; i++) {

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

}

// To delete an element given the index

System.out.println("Enter the index at which element is to be deleted");

int del_pos = s.nextInt();

for (i = del_pos; i < size2 - 1; i++) {

b[i] = b[i + 1];

}

for (i = 0; i < size2 - 1; i++)

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

}

}