newstack.java

JAVA程序设计课程中各章节的程序实例。

//Pratical implementation of stack
class Stack
{
	private int Stack[] = new int [10];
	private int tos;

	Stack()
	{
		tos = -1;
	}

	void Push(int i)
	{
		if(tos == 9)
		{
			System.out.println("The stack is full");
			return ;
		}
		else
		{
			Stack[++tos] = i;
		}
	}

	int Pop()
	{
		if(tos == 0)
		{
			System.out.println("The stack is overflow");
			return 0;
		}
		else
		{
			return Stack[tos--];
		}
	}
}

class newStack
{
	public static void main(String args[])
	{
		Stack s = new Stack();
		int i;

		for(i=0; i<10; ++i)
		{
			s.Push(i);
		}
		for(i=0; i<10; ++i)
		{
			System.out.println("Pop out of the stack:" + s.Pop());		
		}		
	}
}