feat(hcf_lcm) : wap for hcf and lcm in java

rajnish/java/findHcf.java

@@ -0,0 +1,35 @@
+import java.util.Scanner;
+
+class FindHcfOfTwoNum {
+
+
+    public static int gcd(int a, int b) {
+        if (b == 0) {
+            return a;
+        } else {
+            return gcd(b, a % b);
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter the first number: ");
+        int num1 = scanner.nextInt();
+        System.out.print("Enter the second number: ");
+        int num2 = scanner.nextInt();
+        System.out.print("Enter the third number: ");
+        int num3 = scanner.nextInt();
+
+        if (num1 == 0 || num2 == 0 || num3 == 0){
+            System.out.print("not valid number");
+        }else{
+            int result = gcd(gcd(num1, num2), num3);
+
+            System.out.println("The GCD of " + num1 + ", " + num2 + ", and " + num3 + " is: " + result);
+        }
+
+
+    }
+
+
+}