java debugger tool

Org. apache. httpcomponents: httpclient tool class, java tool class Httpclient version 4.4.1 Because http connections require three handshakes, resources and time are wasted when frequent calls are required. Therefore, the connection pool is used for connection. Change the maximum connection pool connections and maximum route connections as needed Another thing t

Qt tool and java encryption and decryption Tool1. The following operators are available for string-type 1.1 operator strings. (1) QString provides a binary "+" operator to combine two strings, and provides a "+ =" operator to append a string to the end of another string. For example: QString str1 = "Welcome"; str1 = str1 + "to you! "; // Str1 =" Welcome to you! "QString str2 =" Hello, "; str2 + =" World! ";

First, SVNSVN server: https://subversion.apache.org/1. What is version control: Versioning is the standard way to maintain a blueprint for a project that tracks the process from birth to finalization. is a system that records changes in several file contents so that a specific revision of the system can be consulted in the future.2. What are the bad things that happen without versioning:(1) Code Management Confusion(2) Backing up multiple versions, consuming large disk space(3) Difficulty in res

Java MD5 encryption tool class, javamd5 tool class Import java. security. messageDigest;/*** MD5 encryption tool class * @ author zwq */public class MD5Util {/*** MD5 encryption ** @ param message the information to be encrypted, for example: 123456 * @ return returns the MD

Java concurrent tool Semaphore application instance, tool class semaphore 1 package com. thread. test. thread; 2 3 import java. util. random; 4 import java. util. concurrent. *; 5 6/** 7 * Semaphore 8 * Semaphore a set of maintainers with permissions without the entity permi

See this topic is not most people are dismissive, indeed almost every Java program ape has written the JSON tool class, and many people have used json-lib.jar encapsulation of similar functions, but I use the regular to support the XML and JSON, reduce the introduction of the jar package. Basically meet the needs. Of course, if you need more powerful features, it's best to use json-lib to achieve it. Take a

Java Development Tool (use of content auxiliary keys in Eclipse) and Development Tool eclipse * A: Alt +/serves as A prompt* B: main + alt +/, syso + alt +/. Other prompts are provided.* C: Fill in the output statement and select the part to be output. alt +/select the last item.* C: define your own alt +/* Windows -- perference-