Java

Programming Aspect Oriented Programming (AOP), aspect-oriented programming, is a very popular topic. The main purpose of AOP is to extract the section in the process of business processing, which is faced with a step or a stage in the process of

Reference:http://www.cnblogs.com/carsonzhu/p/5468223.htmlDeveloping the Java Web using IntelliJ ideaPreface: Because I touch Java language time is relatively short, IDE tool Eclipse is also more familiar with the point, want to try IntelliJ idea to

Java 8 Stream API specific explanation one, stream API introductionJava 8 introduces a new stream API, which is completely different from the InputStream and outputstream in Java I/O packages, unlike the Stax stream for XML parsing, and unlike

Original address: Http://www.infoq.com/cn/articles/nashornStarting with JDK 6, Java is already bundled with the JavaScript engine, which is based on Mozilla's rhino. This feature allows developers to embed JavaScript code in Java and even call Java

Directory 1 Problem Description 2 Solutions  1 problem description In the bank account and other important permissions to set the password, we often encounter such a problem: if you want to remember the birthday, easy to be cracked,

Many other content Welcome to personal site Http://icodeyou.comA few days ago using the socket to implement the Java language to build webserver, the whole process should be the socket this thing has been used very familiar. Although abstract, once

Bitwise OperatorsJava defines a number of bitwise operators that can be applied to integer types Long,int,short,char and byte.Bitwise operators are performed on BITS and perform bitwise operations. Suppose a = 60 and B =; now in binary format, they

1. Run-time exception and inspected exception2. Prevent run-time exceptions in advance. The most common occurrence is the NPE, which is the basic responsibility of the programmer to check the NPE. Other, such as a run-time exception of 0 and other

Tag: equals the capacity to manipulate it strong index readability what actorWhat are the basic interfaces of the 1.Java collection class framework?The collection class interface specifies a set of objects called elements. Each specific

Date classIn JDK1.0, the date class is the only class that represents time, but since the date class is not easy to internationalize, starting with the JDK1.1 version, it is recommended to use the Calendar class for time and date processing. Here is

Around the world, thousands of Java developers are doing a variety of software development projects. Different developers use different tools, and each project requires different techniques. However, they will find solutions for their learning needs

Garbage collection optimization for high throughput and low latency Java applicationsHigh-performance applications form the backbone of modern networks. LinkedIn has many internal high-throughput services to meet user requests thousands of times per

Eclipse common shortcut keys and eclipse shortcut keys 1. Several most important shortcut keys Code ASSISTANT: Ctrl + Space (Alt +/in simplified Chinese /)Quick Fix: Ctrl + 1Word completion: Alt +/Open the external Java document: Shift + F2 Display

Distributed message system: Kafka and message kafka Kafka is a distributed publish-subscribe message system. It was initially developed by LinkedIn and later became part of the Apache project. Kafka is a distributed, partitioned, and persistent Log

[Dubbo practice] Dubbo + Zookeeper + Spring Integrated Application-Dubbo implements distributed services based on Zookeeper (2), dubbozookeeperDubbo is integrated with Zookeeper and Spring   Dubbo uses the full spring configuration method to

Use itext to export pdf and itext to export pdf The pdf export function was encountered at work. Many problems were encountered when writing this function, such as Chinese garbled characters and non-display problems. These problems were constantly

Converts the entire string into uppercase and lowercase letters, and returns the string in uppercase and lowercase letters. Recently I used the uppercase Character function. The general idea is to use charAt (0) combined with Character's toUpperCase

Pair programming 2-unit test, pair 2-unit test 201421123022 Wang ruofan 201421123026 Ouyang Yong Code details   A. Requirement Analysis: A. Test the addition, subtraction, multiplication, division, and Division functions. B. enter invalid characters

[Linux] install solr 4.10.3 and centossolr on CentOSWhat is Solr? Solr is a top-level open-source project under Apache developed using Java. It is a full-text search Server Based on Lucene. Solr provides a richer query language than Lucene, supports

Stack java Implementation, java Implementation In the past few days, I have had a very full life. Every day I keep attending classes. I got up early in the morning and went to the library to read books at night. While studying hard, I am quietly