Bi dimensional Array, Up-Down Pattern Build. - Java Data Structure

Java examples for Data Structure:Matrix

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Description

Bi dimensional Array, Up-Down Pattern Build.

Demo Code


import java.util.Scanner;
/**// ww w.  j a  v a2 s  .  co m
 * Engineered and developed by Jhonny Trejos Barrios.
 * Technology: Java.
 * Version: Java Development Kit 1.8.0_31, Standard Edition.
 * Development Environment: Sublime Text 3.

 * Additional Info.
 *
 * Source Code Target:
 *
 *      BIDIMENSIONAL ARRAY, UP-DOWN PATTERN BUILD.
 *
 * Licenses: GNU GPL v3.0, Eclipse Public License 1.0, personal not for commercial purposes.
 * Developer Contact: jtrejosb@live.com || jtrejosb@gmail.com || jtrejosb@icloud.com
 * Mobile: --.
 */
public class Pattern
{
  public static void main( String[] args )
  {
    System.out.print( "Array size: " );

    new Pattern().printPath( new Scanner( System.in ).nextInt() );
  }
  public void printPath( int size )
  {
    int[][] array = new int[ size ][ size ];
    int x = array.length, y = 0;
    boolean up = true, down = false;

    for( int k = 1; k <= size * size; k++ )
    {
      if( up )
      {
        x --;
      }
      else
      {
        x ++;
      }

      if( x == - 1 )
      {
        x ++;
        y ++;
        up = false;
        down = true;
      }

      if( x == array.length )
      {
        x --;
        y ++;
        up = true;
        down = false;
      }

      array[ x ][ y ] = k;
    }

    for( int i = 0; i < array.length; i++ )
    {
      System.out.println( "" );

      for( int j = 0; j < array.length; j++ )
      {
        System.out.print( array[ i ][ j ] + "\t" );
      }
    }
  }
}

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