JAVA Program | Number is Perfect Square or Not | Diploma Computer Engineering | MCA | BCA | Information Technology

JAVA Program to Check Whether Given Number is Perfect Square or Not.

 1 package Diploma;
 2 import java.io.*;  
 3 public class Perfect
 4 {  
 5         public static void main(String[] args)   throws IOException
 6         {   
 7         InputStreamReader in=new InputStreamReader(System.in);
 8         BufferedReader br=new BufferedReader(in);
 9 
10         System.out.print("Enter a number: ");   
11         double n=Double.parseDouble(br.readLine());
12         
13         if (checkPerfectSquare(n))   
14         System.out.println("Yes, the given number is perfect square.");  
15         else  
16         System.out.print("No, the given number is not perfect square.");   
17         }  
18   
19         static boolean checkPerfectSquare(double number)   
20         {   
21          for (int i=1; i*i<=number; i++)   
22          {   
23              if((number%i==0) && (number/i==i))   
24                          {   
25                             return true;   
26                          }   
27                      }   
28         return false;   
29         }   
30  }  
31 
32