包含标签：Java 的文章
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Linux configuration Java environment variables (detailed)
I Unzip and install JDK, and enter jdk-6u14-linux-i586.0 under the shell terminal Bin file directory, execute the comm…… -
The difference between = = and equal () method in Java
Differences in methods In Java = = compares addresses and equal compares values. Example: -
Java Concurrent Programming: inter thread communication wait, notify
Java Concurrent Programming: two ways of cooperation between threads: wait, notify, notifyAll and condition We've disc…… -
Invocationtargetexception (reflection exception) for Java exception handling
Invocationtargetexception exception by method invoke(obj,args...) Method is thrown. Example: Test: Output: You can als…… -
Deeply understand the exception handling mechanism of Java
Exceptions refer to unexpected conditions, such as file missing, network connection failure, illegal parameters, etc. …… -
Detailed explanation of Java environment variable configuration (Windows)
< H1 class = "posttitle" > detailed explanation of Java environment variable configuration (Windows) < div cl…… -
Java Concurrent Programming: synchronization container
Java Concurrent Programming: synchronization container In order to write thread safe programs, Java provides some thre…… -
Java Concurrent Programming: thread and process creation (conversion)
Java Concurrent Programming: how to create threads? In the previous article, we have described the origin of process…… -
Differences between hashtable and HashMap
1. Hashtable is thread safe, synchronous and relatively inefficient. HashMap thread is unsafe, asynchronous and relati…… -
Java Concurrent Programming: concurrent HashMap
Java Concurrent Programming: concurrent HashMap of concurrent container (Reprint) The following part is reproduced fro…… -
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Selected 30 java written test questions
A start() B run() C exit() D getPriority() Answer: abd 2. The following is about Java The correct statement of lang. e…… -
Class file structure
< H1 align = "left" > platform independence Java is a platform independent language, which benefits from the byt…… -
Comparative analysis of JSON tools in Java
< p align = "center" > < a class = "replace_word" title = "Java EE knowledge base" href=“ http://lib.csdn.net…… -
Java Concurrent Programming: lock
Java Concurrent Programming: lock In the last article, we talked about how to use the keyword synchronized to achieve …… -
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Detailed explanation of Java internal classes
Detailed explanation of Java internal classes Speaking of the word "internal class", it must be familiar to many peopl…… -
JAVA memory management and detailed explanation of each memory area
1、 Overview Original link: http://blog.csdn.net/l271640625/article/details/39761439 In the process of executing Java …… -
Java Concurrent Programming: comparison of sleep, wait and yield
First, wait () and notify (), notifyAll () are methods of the object class, sleep () and yield () are methods of the t…… -
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Write a general shell script to start a java project, which is applicable to most services. You only need to modify the service name
File name: service user sh Document content: ##The header file of shell script must have #/ bin/sh ##Configure the Jav…… -
Multithreading programming in Java
1、 Advantages and disadvantages of multithreading Advantages of multithreading: 1) Better resource utilization 2) sim…… -
Understanding and use of filechannel class
Understanding and use of filechannel class (Java. NiO. Channels. Filechannel) Knowledge points: 1. Filechannel class a…… -
thread
1、 Thread concept A process is an executing program. In the operating system, the process is the smallest unit for sy…… -
HashMap, treemap, LinkedHashMap learning
Map is mainly used to store key value pairs and obtain values according to keys. Therefore, duplicate keys (repeated a…… -
IO and NiO
1、 The concept of file and the operation of file basic functions 1. What is a file: a file can be considered as a col…… -
Java Concurrent Programming: implementation of copyonwrite container
Java Concurrent Programming: copyonwritearraylist of concurrent container (Reprint) Original link: Copy on write, refe…… -
Jmap view memory usage and generate heapdump
If you want to analyze your Java application, you can use jmap program to generate heapdump file example: Jmap - hea…… -
Nine new features in Java 9
Nine new features in Java 9 Java 7 was released in 2011, Java 8 was released in 2014, and java9 was released on Sept…… -
Java Naming Convention
Java Naming Convention 1、 Naming conventions 2. Package name all lowercase 3. The first letter of the class name is c……