FilesExpand file tree

 master

/

StackTest.java

Copy path

BlameMore file actions

BlameMore file actions

Latest commit

 

History

History

History

33 lines (28 loc) · 1.09 KB

 master

/

StackTest.java

Top

File metadata and controls

• Code
• Blame

33 lines (28 loc) · 1.09 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

package CollectionTest;

import java.util.Iterator;

import java.util.Stack;

/*

* Stack 矢量队列，继承于Vector ，是使用数组实现栈

* Stack<E> extends Vector<E>

* */

public class StackTest {

public static void main(String[] args) {

// List<Integer> stack=new Stack(); //向上转型

Stack<Integer> stack = new Stack();

for (int a = 1; a < 4; a++) {

stack.push(a);

}

// stack.push(1); 将元素推入栈顶

// stack.pop() 将一个元素从栈顶删除，实际上是调用Vectro的方法removeElementAt

// stack.peek() 返回栈顶元素，不执行删除操作

// stack.search() 搜索栈内元素，实际上是调用Vector的indexOf方法，返回数组的索引+1

//遍历方法：1.for循环 2.iterator遍历

for (Iterator iterator = stack.iterator(); iterator.hasNext(); ) {

System.out.println(iterator.next());

}

stack.pop();

for (Iterator iterator = stack.iterator(); iterator.hasNext(); ) {

System.out.print(iterator.next());

}

}

}