Question

Class name: "NextSquare"

Prompt the user to enter an integer.

display your name and the next integer larger than the input integer which is a perfect square.

for example, if the input is 7, the output should be (your name plus) 9.

I am looking for help with this and need the answer to be in JOptionPane with java language.

Answer 1

// Screenshot of the code & output

// Sample output

// code to copy

NextSquare.java

import javax.swing.JOptionPane;

public class NextSquare {

   public static void main(String[] args) {
       int num = Integer.parseInt(JOptionPane.showInputDialog("Enter a number :"));
       int nextNum=nextPerfectSquare(num);
       JOptionPane.showMessageDialog(null, "Srinivas " + nextNum, " ", JOptionPane.PLAIN_MESSAGE);

   }

   private static int nextPerfectSquare(int num) {
       int nextN = (int)Math.floor(Math.sqrt(num)) + 1;       
   return nextN * nextN;
      
   }

}