告诉你什么是优雅的代码

请投新手帖。
size = 5
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public class MagicCircle {
	int [][] numberCircle;
	int size;
	int n = 1;	
	public MagicCircle(int size){
		this.size = size;
		numberCircle = new int[size][size];
	}
	public void draw(){
		circle(0);
	}
	public void print(){
		for (int i = 0; i < size; i++) {
			for (int j = 0; j < size; j++) {
				System.out.print(numberCircle[i][j] + "\t");
			}
			System.out.println();
		}
	}
	
	public void circle(int start){	
		int end = size - start;
		//  |----->
		for(int i = start ; i < end; i++){
			numberCircle[start][i] = n++;
		}

		if(start + 1 >= end ){
			return;
		}
		// ---
		//  |
		//  |
		//  v
		for(int i = start + 1 ; i < end; i++){
			numberCircle[i][end-1] = n++;
		}
		// <-----|
		for(int i = end-2 ; i >= start; i--){
			numberCircle[end-1][i] = n++;
		}
		// ^
		// |
		// |
		//---
		for(int i = end-2 ; i >= start + 1; i--){
			numberCircle[i][start] = n++;
		}		
		circle(start+1);	
	}
	
	public static void main(String[] args) {
		int size = 5;
		MagicCircle demo = new MagicCircle(size);
		demo.draw();
		demo.print();
	}
}

评论

2 楼 Shengli_fu 2015-06-24  

1 楼 waykingeye 2010-09-30  

学习ing。。。