public void output()
	{
		System.out.print("   ");
		for (int i = 0; i < adjmatrix.length; i++)
		{
			System.out.printf("%3d", i+1);			
		}
		System.out.println();

		for (int i = 0; i < adjmatrix.length; i++)
		{	
			System.out.printf("%3d", i+1);	
			
			for (int j = 0; j < adjmatrix.length; j++)
			{
				System.out.printf("%3d", adjmatrix[i][j]);
				
			}
			System.out.println();
		}

	}