螺旋数组的实现

public class CircleNumber {
    private int[][]  Matrix; 
    private int Size; 
    public CircleNumber(int size){
        this.Size=size;
        InitMatrix();
    } 
    
    private void InitMatrix(){
         Matrix = new int[Size][]; 
        for(int i=0;i<Size;i++){
            Matrix[i]=new int[Size];
         }
    }
    
    public void FormCircleNumber(){
        int Num=this.Size*this.Size;
        int Row=Size;
        int Col=Size;
        int i=0,j=0,k=0;
        int tmp=1;
        int LeftFlag=0;
        int UpFlag=0;
        while((Num>tmp)||(Num==tmp)){  //顺时针旋转
            if((j+1<Col)&&(LeftFlag==0)&&(UpFlag==0)){  //向右
                Matrix[i][j]=tmp;
                j++;
            }else if(j+1==Col&&i+1<Row){//向下
                Matrix[i][j]=tmp;
                i++;
                if(i==Row-1){
                    LeftFlag=1;
                }
            }else if((i+1==Row)&&(LeftFlag==1)&&(j-1>=k)){//向左
                Matrix[i][j]=tmp;
                j--;
                if(j==k){
                    UpFlag=1;
                    LeftFlag=0;
                }
            }else if((j==k)&&(UpFlag==1)&&(i-1)>=k){//向上
                Matrix[i][j]=tmp;
                i--;
            }else{            //完成一圈为下一圈准备数据
                k++;
                i=k;
                j++;
                Col--;
                Row--;
                LeftFlag=0;
                UpFlag=0;
                tmp--;        
            }  
            tmp++;
            }     
        }
    
    public void Display(){
        int i,j;
        for(i=0;i<this.Size;i++){
            for(j=0;j<this.Size;j++){
                System.out.print(Matrix[i][j]+"\t");
            }
            System.out.println();
        }
    }    
        
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        CircleNumber cirnber=new CircleNumber(16) ;
        cirnber.FormCircleNumber();

 

        cirnber.Display();    
    }
}