java 代码
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- package line;
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- public class Stack {
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- int[] data;
- int maxSize;
- int top;
- public Stack(int maxSize) {
- this.maxSize = maxSize;
- data = new int[maxSize];
- top = -1;
- }
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- public boolean push(int data) {
- if(top+1== maxSize) {
- System.out.println("栈已满!");
- return false;
- }
- this.data[++top] = data;
- return true;
- }
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- public int pop() throws Exception{
- if(top==-1) {
- throw new Exception("栈已空!");
- }
- return this.data[top--];
- }
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- public static void main(String[] args) throws Exception {
- Stack stack=new Stack(1000);
- stack.push(1);
- stack.push(2);
- stack.push(3);
- stack.push(4);
- stack.push(5);
- while(stack.top>=0)
- {
- System.out.println(stack.pop());
- }
- }
- }
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