JavaAlgorithms/Others/InsertDeleteInArray.java
yanglbme 29948363da docs: update the whole repository
* fix some bugs
* delete duplicate files
* format code
2019-05-09 19:32:54 +08:00

49 lines
1.4 KiB
Java

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]);
}
}