Pattern 20

Author: sathishmepco

InterviewPrograms/src/com/java/patterns/Pattern20.java

@@ -0,0 +1,40 @@
+package com.java.patterns;
+import java.util.Scanner;
+/*
+Write the program to print the following pattern
+        1
+      1 2 3
+    1 2 3 4 5
+  1 2 3 4 5 6 7
+1 2 3 4 5 6 7 8 9
+*/
+public class Pattern20 {
+	public static void main(String args[] ) throws Exception {
+		Scanner scanner = new Scanner(System.in);
+        int N = Integer.parseInt(scanner.nextLine());
+        int iSpace = 0;
+        for(int i=0;i<N;i++){
+            for(int j = iSpace;j<N-1;j++)
+            System.out.print("  ");
+            for(int j=1;j<=2*i+1;j++)
+                if(j == 1)
+                    System.out.print(j);
+                else
+                    System.out.print(" "+j);
+            iSpace++;
+            if(i != N-1)
+                System.out.println();
+        }
+        scanner.close();
+   }
+}
+/*
+Input
+5
+Output
+        1
+      1 2 3
+    1 2 3 4 5
+  1 2 3 4 5 6 7
+1 2 3 4 5 6 7 8 9
+*/