一.用DataInputStream读取字符 可以使用available方法查看还有多少可供存取的字符.示例如下: public class Test1 { public static void main(String[] args) throws IOException { DataInputStream in=new DataInputStream(new BufferedInputStream(new FileInputStream("test.txt"))); while(in…

Java默认的序列化机制非常简单,而且序列化后的对象不需要再次调用构造器重新生成,但是在实际中,我们可以会希望对象的某一部分不需要被序列化,或者说一个对象被还原之后, 其内部的某些子对象需要重新创建,从而不必将该子对象序列化. 在这些情况下,我们可以考虑实现Externalizable接口从而代替Serializable接口来对序列化过程进行控制 (后面我们会讲到一个更简单的方式,通过transient的方式). Externalizable接口extends Serializable接口,而且…

Here We Go(relians) Again Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 1   Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description The Gorelians…

Here We Go(relians) Again Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 235 Accepted Submission(s): 146   Problem Description The Gorelians are a warlike race that travel the universe conquering…

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Java默认的序列化机制非常简单,而且序列化后的对象不需要再次调用构造器重新生成,但是在实际中,我们可以会希望对象的某一部分不需要被序列化,或者说一个对象被还原之后,其内部的某些子对象需要重新创建,从而不必将该子对象序列化. 在这些情况下,我们可以考虑实现Externalizable接口从而代替Serializable接口来对序列化过程进行控制(后面我们会讲到一个更简单的方式,通过transient的方式). Externalizable接口extends Serializable接口,而且在其…

题目链接 Problem Description The Gorelians are a warlike race that travel the universe conquering new worlds as a form of recreation. Given their violent, fun-loving nature, keeping their leaders alive is of serious concern. Part of the Gorelian security…

Here We Go(relians) Again Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 685    Accepted Submission(s): 335 Problem Description The Gorelians are a warlike race that travel the universe conquer…

题目链接: PKU:http://poj.org/problem? id=3653 ZJU:problemId=1934" target="_blank">http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1934 HDU:http://acm.hdu.edu.cn/showproblem.php? pid=2722 Description The Gorelians are a warlike rac…

import java.io.*; import java.util.Date; import java.util.Random; public class Test { public static void main(String[] args){ // Worm.test(); // Blip.test(); // Login.test(); SerialCtl.test(); } } class Data implements Serializable { private int n; p…