Java Programming (6th Edition) - Joyce Farrell Chapter 6 Looping Java exercise in creating shapes and formatting numbers through the use of nested for loops.

shapesNestedWhileLoops.java

//  	Filename:		shapesNestedWhileLoops
//	Author:			Joel Fernandez
//	Date:			03.15.13
//	Textbook:		Java Programming (6th Edition) - Joyce Farrell
//	Chapter 6:		Looping
//	Description:		Java exercise in creating shapes and formatting numbers through the use 
//				of nested While loops.
public class shapesNestedWhileLoops
{
	public static void main(String[] args)
	{
		shape1();
		shape2();
		shape3();
		shape4();
		shape5();
		shape6();
		shape7();
	}
       /******************************************************************************
	* *
	* **
	* ***
	* ****
	* *****
	******************************************************************************/
	public static void shape1()
	{
		int row, column;
		row = 1;
		System.out.print("Shape 1 \n\n");
		while (row <= 5)
		{
			column = 1;
			while( column <= row)
			{
				System.out.print('*');
				column = column+1;
			}
			System.out.println();
			row = row+1;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* *****
	* ****
	* ***
	* **
	* *
	******************************************************************************/
	public static void shape2()
	{
		int row, column;
		row = 5;
		System.out.print("Shape 2 \n\n");
		while (row > 0)
		{
			column = 1;
			while( column <= row)
			{
				System.out.print('*');
				column = column+1;
			}
			System.out.println();
			row = row-1;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* 1
	* 12
	* 123
	* 1234
	* 12345
	******************************************************************************/
	public static void shape3()
	{
		int row, column;
		row = 1;
		System.out.print("Shape 3 \n\n");
		while (row <= 5)
		{
			column = 1;
			while( column <= row)
			{
				System.out.print(column);
				column = column+1;
			}
			System.out.println();
			row = row+1;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* 54321
	* 4321
	* 321
	* 21
	* 1
	******************************************************************************/
	public static void shape4()
	{
		int row, column;
		row = 0;
		System.out.print("Shape 4 \n\n");
		while (row < 5)
		{
			column = 5;
			while( column > row)
			{
				System.out.print(column-row);
				column = column-1;
			}
			System.out.println();
			row = row+1;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* 1
	* 22
	* 333
	* 4444
	* 55555
	* 666666
	******************************************************************************/
	public static void shape5()
	{
		int row, column;
		row = 1;
		System.out.print("Shape 5 \n\n");
		while (row <= 6)
		{
			column = 1;
			while( column <= row)
			{
				System.out.print(row);
				column = column+1;
			}
			System.out.println();
			row = row+1;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* *
	* **
	* ***
	* ****
	* *****
	******************************************************************************/
	public static void shape6()
	{
		int row, column;
		row = 1;
		System.out.print("Shape 6 \n\n");
		while (row <= 11)
		{
			column = 1;
			while( column <= row)
			{
				System.out.print('*');
				column = column+1;
			}
			System.out.println();
			row = row+2;
		}
		System.out.println();
	} 	//	End Of Method
       /******************************************************************************
	* 1 2 3 4 5 6
	* 2 3 4 5 6
	* 3 4 5 6
	* 4 5 6 
	* 5 6
	* 6
	******************************************************************************/
	public static void shape7()
	{
		int row, column;
		row = 1;
		System.out.print("Shape 7 \n\n");
		while (row <= 6)
		{
			column = row;
			while( column <= 6)
			{
				System.out.print(column + " ");
				column = column+1;
			}
			System.out.println();
			row = row+1;
		}
		System.out.println();
	} 	//	End Of Method
}