Java基础之for循环嵌套练习(一)

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class ForForTest 
{
	public static void main(String[] args) 
	{

		/*
		
		*****
		****
		***
		**
		*


		*/

		/*
		int z = 5;
		for (int x = 1; x<=5 ;x++ )//1-5 1-4 1-3//1-5 2-5 3-5
		{
			for (int y=1; y<=z ; y++ )
			{
				System.out.print("*");
			}
			System.out.println();
			z--;
		}
		*/
		/*

		int z = 1;
		for (int x = 1; x<=5 ;x++ )//1-5 1-4 1-3//1-5 2-5 3-5
		{
			for (int y=z; y<=5 ; y++ )
			{
				System.out.print("$");
			}
			System.out.println();
			z++;
		}
		*/
		for(int x=1; x<=5; x++)
		{
			for(int y=x; y<=5; y++)
			{
				System.out.print("*");
			}
			System.out.println();
		}






		/*

		*
		**
		***
		****
		*****
		*/
		System.out.println("----------");
		for (int x=1; x<=5 ;x++ )
		{
			for (int y=1;y<=x ;y++ )
			{
				System.out.print("*");
			}
			System.out.println();
		}



		System.out.println("----------");
		/*

		54321
		5432
		543
		54
		5


		*/
		for (int x=1; x<=5; x++ )
		{
			for (int y=5; y>=x ;y-- )
			{
				System.out.print(y);
			}
			System.out.println();
		}


		System.out.println("----------");
		/*
		1
		22
		333
		4444
		55555
		
		*/

		for (int x=1; x<=5 ; x++)
		{
			for (int y=1;y<=x ;y++ )
			{
				System.out.print(x);
			}
			System.out.println();
		}
	}
}