package com.dudy.learn01.data_structure.base; import com.dudy.learn01.data_structure.stack.MyStack; import org.junit.Test; import java.util.Stack; /** * Created by dudy on 2017/2/20. */ public class MyStackTest { @Test public void push() throws Exception { MyStack stack = new MyStack(); stack.push("1"); stack.push("2"); stack.push("3"); Object pop = stack.pop(); System.out.println( "size :" + stack.size() + "pop:" + pop); Object peek = stack.peek(); System.out.println( "size :" + stack.size() + "peek: " + peek); } @Test public void pop() throws Exception { } @Test public void peek() throws Exception { } @Test public void isEmpty() throws Exception { } @Test public void size() throws Exception { } @Test public void stackTest(){ Stack<String> stack = new Stack<String>(); stack.push("1"); stack.push("2"); stack.peek(); stack.pop(); System.out.println(stack.size()); } }