sunny

sunny.java

@@ -0,0 +1,36 @@
+    import java.util.*;   
+    public class SunnyNumberExample1  
+    {   
+    //driver code   
+    public static void main(String args[])   
+    {   
+    Scanner sc = new Scanner(System.in);  
+    System.out.print("Enter a number to check: ");  
+    //reading a number from the user  
+    int N=sc.nextInt();  
+    //calling user-defined function   
+    isSunnyNumber(N);   
+    }       
+    //function checks whether the given is a perfect square or not   
+    static boolean findPerfectSquare(double num)   
+    {   
+    //finds the square root of the ggiven number  
+    double square_root = Math.sqrt(num);   
+    //if square root is an integer   
+    return((square_root - Math.floor(square_root)) == 0);   
+    }   
+    //function that checks whether the given number is Sunny or not  
+    static void isSunnyNumber(int N)   
+    {   
+    //checks N+1 is perfect square or not  
+    if (findPerfectSquare(N + 1))   
+    {   
+    System.out.println("The given number is a sunny number.");   
+    }   
+    //executes if N+1 is not a perfect square  
+    else  
+    {   
+    System.out.println("The given number is not a sunny number.");   
+    }   
+    }   
+    }