二维数组，上下模式构建。
import java.util.Scanner; /** * 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/**n o w j a v a . c o m - 时 代 Java**/ { 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 --;/*from 时 代 J a v a 公 众 号*/ } 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; }