Program to display the pattern with alphabets

AlphabetPattern.java

@@ -0,0 +1,11 @@
+public class AlphabetPattern{
+	public static void main(String args[]){
+		char c = 'A';
+
+		for(int i = 0; i < 5; i++){
+			for(int j = 0; j <= i; j++)
+				System.out.print((char)(c + j) + " ");
+			System.out.println();
+		}
+	}
+}

Factorial.java

@@ -0,0 +1,25 @@
+import java.math.BigInteger;
+import java.util.Scanner;
+
+public class Factorial {
+    static BigInteger x;
+
+    static BigInteger factorial(int n) {
+        for(n = n - 1; n > 1; n--)
+            x = x.multiply(BigInteger.valueOf(n));
+
+        return x;
+    }
+
+    public static void main(String args[]) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter a whole number to display its factorial: ");
+        int n = scanner.nextInt();
+        x = new BigInteger(Integer.toString(n));
+
+        System.out.println("Factorial of " + n + " is: " + factorial(n));
+
+        scanner.close();
+    }
+}