Computer Applications
Write a program to store 20 numbers in a Single Dimensional Array (SDA). Now, display only those numbers that are perfect squares.
| n[0] | n[1] | n[2] | n[3] | n[4] | n[5] | … | n[16] | n[17] | n[18] | n[19] |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 45 | 49 | 78 | 64 | 77 | … | 81 | 99 | 45 | 33 |
Sample Output: 49, 64, 81
Java
Java Arrays
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Answer
import java.util.Scanner;
public class KboatSDASquares
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
int arr[] = new int[20];
System.out.println("Enter 20 numbers");
for (int i = 0; i < arr.length; i++) {
arr[i] = in.nextInt();
}
System.out.println("Perfect Squares are:");
for (int i = 0; i < arr.length; i++) {
double sr = Math.sqrt(arr[i]);
if ((sr - Math.floor(sr)) == 0)
System.out.print(arr[i] + ", ");
}
}
}Variable Description Table
Program Explanation
Output
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