yhuitri.java

Java语言是目前最流行

public class YhuiTri
{
	public static void main(String[] aa)
	{
		final int maxLine = 10; //常量
		int yanghui[][] = new int [maxLine][];//声明数组
		
		for (int i=0;i<yanghui.length;i++)
		{
			yanghui[i]=new int[i+1];//循环初始化数组
		}			
		yanghui[0][0]=1;//2维数组的第1位都是1
		
		for (int i=1;i<yanghui.length;i++)
		{
			yanghui[i][0]=1;
			yanghui[i][yanghui[i].length-1]=1;
			for (int j=1;j<yanghui[i-1].length;j++)
			{//数组相加
				yanghui[i][j]=yanghui[i-1][j-1]+yanghui[i-1][j];
//				System.out.println(yanghui[i][j]);	
			}
		}
		
		for (int i=0;i<yanghui.length;i++)
		{
			for(int j=0;j<yanghui[i].length;j++)
				System.out.print(yanghui[i][j]+"\t");
			System.out.println();	
		}

	}	
}