Java
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Java program implements the method of exporting excel (supports ie low version)
Today, I want to sort out an export problem I encountered some time ago. Because of the requirements of the project, s…… -
Java 8 method of reading files
JDK7 introduces a new file operation class java nio. file. File, which contains many useful methods to manipulate file…… -
Architects take you to a deeper understanding of Java interfaces and abstract classes
Abstract is one of the characteristics of object-oriented programming. In Java, OOP abstraction can be embodied in two…… -
Explain JavaScript from the perspective of Java developers
We can't explain all the details of JavaScript in a blog post. If you are more or less involved in web application dev…… -
JavaWeb export excel file and pop up the download box
1、 Introduction Reports are often involved in Java Web development. In recent projects, it is necessary to display th…… -
How much memory does a Java object occupy?
Recently, I read in-depth understanding of Java virtual machine and had a further understanding of the memory layout o…… -
8 common sorting of Java
6. Quick sort 8 sorting that programmers must know (Java implementation) Relationships among 8 sorts: 1. Direct insert…… -
Java JDBC connects to MySQL database to realize the operation of addition, deletion, modification and query
JDBC is no stranger to us. As long as you are engaged in Java, you have to learn such a thing when you first contact J…… -
Summary of Java idioms
In Java programming, some knowledge can not be learned only through language specifications or standard API documents.…… -
Common java development exceptions and explanations
Explanation of common Java exceptions: (translator's note: non-technical analysis. Reading is risky, understanding sho…… -
Java web development environment MyEclipse 6 5 JDK1. 6 Tomcat6. 0 SVN1. 8 configuration tutorial
The configuration of Java Web development environment is also a cumbersome thing. Although in theory, using Notepad ca…… -
Java implements code sharing to find the maximum palindrome string of the current string
Look at the code first 1、 Palindrome judgment of string Judge whether a string is palindrome Problem Description: giv…… -
Suggestions for developing and maintaining Java for large projects
Suppose you are developing and maintaining a java developer with 2000 classes and many frameworks. How do you understa…… -
10 classic javamain method interview questions
The following is what I think is a classic interview question about Java main method. It is not so much a Java intervi…… -
Summary of experience in dealing with character coding in Java
When facing a string of byte streams, its actual meaning cannot be known if its encoding is not specified. This senten…… -
40 common java development interview questions and answers
Java collection framework is the basis of Java programming language and an important knowledge point in Java interview…… -
MySQL download, installation, deployment and graphical detailed operation tutorial
MySQL is a tool that must learn how to install and deploy. It is different from other stupid applications / programs. …… -
Javaurlrewrite record of website URL rewriting process
Now most websites and shopping malls will use URL rewriting. It is also because of the E-commerce mall they are doing.…… -
How do I understand abstract classes and interfaces in Java
In the interview, we are often asked: what is the difference between abstract classes and interfaces in Java? Then, le…… -
20 common java code snippets
Here are 20 very useful java program fragments. I hope they can be useful to you. 1. Strings have integer conversi…… -
Deep understanding of Java exception handling mechanism
1. Introduction Try... Catch... Finally I'm afraid it's a familiar sentence, and it feels very simple to use, and …… -
Graphic tutorial on JDK download, installation and deployment
Although this is very simple for many people, I still want to write it. I hope it can help the latecomers who still ne…… -
How much memory can Java objects occupy?
Recently, I read in-depth understanding of Java virtual machine and had a further understanding of the memory layout o…… -
Summary of java development novice problems
Java is one of the most popular programming languages & mdash& mdash; It can be used to write windows programs…… -
Summary of 20 interview questions for Java advanced developers
This is the first part of an advanced Java interview series. This part discusses the core issues of Java, such as vari…… -
java – View. Onclicklistener() function or interface
View. Is onclicklistener() a function or an interface? When we try to set up an onclicklistener () method in Android, …… -
Java – getmethods () return method I didn’t define when I implemented the general interface
A simple interface: interface Foo { void myMethod(String arg); } class FooImpl implements Foo { void myMethod…… -
Java EE applications and MySQL – what cloud services do I use?
I have developed a fairly small application with Java EE, hibernate, MySQL and Tomcat Now I want to host it in the clo…… -
Use java to generate certificates, public keys and private keys
I am looking for a Java library or code to generate certificates, public keys and private keys I think this is a doing…… -
Java – prevents suffixes from being added to resources when the page loads
I have a JSF 2 application running without any problems My problem with JSF is the resource bundle All resources are a…… -
Java – exclude classes from dependencies in maven
I have a project that relies on a vendor controlled artifact This artifact contains some classes I depend on, some of …… -
Java – how do I get the current method from the active eclipse editor?
I'm using an eclipse plug - in that will help me code It is basically a library of string fragments When creating a ne……