摘要： java的复杂四则运算，暂时先实现四则运算表达式的解析。存储入数据栈、运算符栈。View Code 1 package com.app; 2 3 import java.util.Stack; 4 5 public class calcapp { 6 private Stack<Double> s1; 7 private Stack<Character> s2; 8 9 public calcapp(){10 s1 = new Stack<Double>();11 s2 = new Stack<Cha... 阅读全文

摘要： 将good队列序列化到文件，并根据日期排序输出；public class good implements Serializable代码如下：View Code 1 package com.app; 2 import java.io.FileInputStream; 3 import java.io.FileNotFoundException; 4 import java.io.FileOutputStream; 5 import java.io.IOException; 6 import java.io.ObjectInputStream; 7 import java.io.O... 阅读全文