Pattern 16

Author: sathishmepco

InterviewPrograms/src/com/java/patterns/Pattern16.java

@@ -0,0 +1,44 @@
+package com.java.patterns;
+import java.util.Scanner;
+/*
+Write the program to print the following pattern
+        0 
+      1 0 1
+    2 1 0 1 2
+  3 2 1 0 1 2 3
+4 3 2 1 0 1 2 3 4
+*/
+public class Pattern16 {
+    public static void main(String args[] ) throws Exception {
+        Scanner scanner = new Scanner(System.in);
+        int N = Integer.parseInt(scanner.nextLine().trim());
+        int d = (N-1)*2;
+        for(int i=0;i<N;i++){
+            for(int j=0;j<d-1;j++)
+                System.out.print(" ");
+            for(int j=i;j>=0;j--)
+                if(i == N-1 && j == i)
+                    System.out.print(j);
+                else
+                    System.out.print(" "+j);
+            for(int j=1;j<=i;j++)
+                System.out.print(" "+j);
+			if(i==0 && N != 1)
+                System.out.print(" ");
+            d-=2;
+            if(i < N-1)
+                System.out.println();
+        }
+        scanner.close();
+   }
+}
+/*
+Input
+5
+Output
+        0 
+      1 0 1
+    2 1 0 1 2
+  3 2 1 0 1 2 3
+4 3 2 1 0 1 2 3 4
+*/