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http://cin-ie.iteye.com/blog/859822 As for the bug of GZIPInputStream, this problem has not been solved in the latest version of jdk. Note when using gzip:   http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4691425   Problem Description:   When using GZIPInputStream to read the gizp file, us ...

1, Object class 1. Introduction to object class *The Object class is the parent class of all classes. If a class does not specify an inherited class, it inherits the Object. Any class directly or indirectly inherits from Object 2. Method of object class ① toString() * Source code public String toString() { return getCla ...

Article directory Introduction 1. Base64 encryption 2. DES encryption 3. AES encryption 4. RSA encryption 5. MD5 encryption Introduction In the project, Base64, DES, AES, RSA, MD5 encryption and decryption methods are often used. Every time, they need to search online for half a day. Today, they ...

Android source compilation Before compiling the source code, you need to do some preparation operations. The detailed steps are as follows: 1. Install JDK. Google requires JDK 1.8 to compile the latest version of source code 1) . download JDK1.6 at: http://download.oracle.com/otn/java/jdk/6u45-b06/jdk-6u45-linux-x64.b ...

1, Maven compiler plugin 1. It is used to set the jdk version used when maven is packaged. maven is a java framework, so it is only for jdk. scala needs to set it separately. 2.usage 2.1. Setting plug-ins <plugin> ...

Iterator mode Iterator mode is a design mode that separates the addition and deletion of a set from the sequential traversal of the set.Collections are responsible for additions, deletions, and iterators are responsible for sequential traversal of the collection's internal classes.Java's Iterator is a ...

Content learned in: edu.aliyun.com 1. Reflection acquisition class structure                              .    if you suddenly find that you need ...

docker opens remote access interface docker has to set up the environment, so it won't be repeated here. It won't have to go to Baidu by itself, just a few commands. To push a local image to the docker container of alicloud, you need to enable remote access First edit the host file of docker / lib/sys ...

javaSE learning day 25 java knowledge Multithreading (single design mode) Singleton design pattern: ensure that the class has only one object in memory. How to ensure that a class has only one object in memory? (1) Control the creation of classes. Do not let other classes create objects of ...

order This paper focuses on the network health check of artemis NetworkHealthCheck activemq-artemis-2.11.0/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/NetworkHealthCheck.java public class NetworkHealthCheck extends ActiveMQScheduledComponent { private static final Logger logger = Logger.getLogger(NetworkHealthCheck ...