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What are the built-in objects of JSP?

The built-in objects in JSP include: out application, request application, access customer data, response application, session application, application application, obtaining configuration objects in web.xml, obtaining exception information, etc.

Apr 16, 2019 am 10:34 AM

JSP 内置对象

The second step of idea learning is the initial installation. It is strongly recommended to modify the configuration.

Through the first step of learning idea before, everyone knows how to install idea. This article mainly talks about the configuration that the editor strongly recommends to modify after the initial installation. I hope you will accept it.

Apr 10, 2019 am 10:44 AM

idea java 配置

Two ways to pass java method parameters

There are two ways to pass method parameters in Java, pass by value and pass by reference.

Apr 08, 2019 pm 01:43 PM

java 传递方式

What methods does thread class have?

Methods in the Thread class can be divided into instance methods and static methods. Instance methods include start() method, run() method, etc. Static methods include currentThread() method, sleep(long millis) method, etc.

Apr 08, 2019 pm 01:42 PM

thread类

What is Spring boot

Spring Boot is an extension of the Spring framework. It eliminates the boilerplate configuration required to set up Spring applications, makes it easy and fast to configure and run applications, and also simplifies dependency management, making development more convenient.

Apr 02, 2019 pm 02:51 PM

Spring boot

What is the difference between & and && in Java?

The difference between & and && in Java is: in the && operation, when the first expression is false, the following expression will not be executed; while the & operation will execute the latter expression regardless of whether the first expression is true or not.

Mar 29, 2019 pm 03:20 PM

&、&&

How much does java training tuition cost?

The tuition fee for Java training is not fixed. The tuition fee will fluctuate according to the individual's basic level. If you have a certain foundation, you can reduce the number of basic courses in course selection, and the cost will be relatively lower. The Java training learning cycle is generally Study for 4 to 6 months, and the tuition fee is about 10,000 yuan.

Mar 12, 2019 pm 04:29 PM

java java培训学费

What are j2ee and java? What is the difference between j2ee and java

What are j2ee and java? Is j2ee javaee? What is the difference between j2ee and java? The following PHP Chinese website will summarize the above issues for you.

Mar 07, 2019 pm 05:21 PM

j2ee java

What is a tomcat cluster? Introduction to tomcat cluster

What this article brings to you is what is a tomcat cluster? Introduction to tomcat cluster. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Oct 27, 2018 pm 05:59 PM

tomcat集群

What are some super practical basic Java tutorials? Detailed explanation of 13 specifications of J2EE

What this article brings to you is what are some super practical basic Java tutorials? The detailed explanation of the 13 specifications of J2EE has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Oct 16, 2018 pm 01:44 PM

java基础教程 J2EE的13个规范

In-depth exploration of Glide's caching mechanism

Before starting, we need to put the xerces.jar and xalan.jar files into the java.class.path directory (these two files are included in Xalan-Java 1.2 and can be downloaded from xml.apache.org).

Sep 14, 2018 am 10:29 AM

Glide，java

JAVA IO and NIO understanding

Thanks to Netty, I learned some knowledge about asynchronous IO. NIO in JAVA is a supplement to the original IO. This article mainly records the underlying implementation principles of IO in JAVA and introduces Zerocopy technology.

Sep 14, 2018 am 09:23 AM

JAVA IO NIO

The most mature open source NIO framework Netty

Netty is a high-performance, asynchronous event-driven NIO framework. It provides support for TCP, UDP and file transfer. All IO operations of Netty are asynchronous and non-blocking. Through the Future-Listener mechanism, users can easily and actively obtain Or obtain the IO operation results through the notification mechanism.

Sep 13, 2018 pm 06:19 PM

Netty，java

Implement a Java version of Redis

I recently looked at the Redis code and found it to be quite simple. I had the urge to implement (copy) one in other languages. Originally I wanted to use Python to implement it. Then I thought about trying Netty. There are two reasons.

May 30, 2018 pm 01:56 PM

Redis Java Netty ReplayingDecoder