Java
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Another wave of essential books for Java professionals
Essential books for Java professionals: Every programmer has books that are often worn out as professional information…… -
Summary of common functions based on math class in Java
Summary of several commonly used mathematical formulas in Java: Random class is specially used to generate a pseudo-ra…… -
Implementation of Java string encryption and password encryption
In our program design, we often need to encrypt some special content. Today, we have summarized several simple encrypt…… -
Conversion method between java basic type and byte array
The conversion between java basic types and byte arrays is just written The above conversion method between java basic…… -
On the type derivation of Java 8’s new feature generics
1. What is generics? Before discussing type inference, we must review what is generic Generics is a new feature of Jav…… -
Fully understand the differences and applications between java basic types and encapsulation types
1. Basic types can only be passed by value, and the encapsulation class corresponding to each basic type is passed by …… -
Stand alone version of bookstore management system of Java design module series (2)
Java stand alone bookstore management system (exercise design module and idea series I): http://www.jb51.net/article/9…… -
Method of converting Java string into double two-dimensional array
WHY A friend asks for a question in the group. The prototype of the question is as follows: That is, a string that can…… -
Methods of JavaBean and map transformation encapsulation classes
Examples are as follows: The above is all about the methods of JavaBean and map conversion and encapsulation classes b…… -
Java wechat random red envelope algorithm code example
One night a few days ago, I suddenly thought that there should be a random algorithm for wechat red envelopes. I tried…… -
8 simple parts to open the road of Java language learning, with java learning book list
I have recommended reading books on Java language for you. Here are some aspects to start learning java language. The …… -
Introduction to the differences between Java abstract classes and interfaces
The difference between abstract classes and interfaces abstract class A class containing abstract methods is an abstra…… -
Detailed explanation of the exchange example between JSON string and Java object in Java
During the development process, it is often necessary to exchange data with other systems. The formats of data exchang…… -
Summary of three types of array defined by Java
The three formats for defining arrays are as follows: Note: the length of the array is an attribute, and the length ()…… -
Java implements multithreading in two ways: inheriting the thread class and implementing the runnable interface
What is the difference between implementation and inheritance@ H_ 404_ 5@ *Difference: @ h_ 404_ 5@ *Inherit thread: t…… -
Implementation of 16 bit and 32-bit MD5 encryption of string under Java programming
As follows: @ h_ 404_ 3@ -
Method of querying data from database using JDBC
*Resultset result set: encapsulates the results of queries using JDBC * 1. The result set can be obtained by calling t…… -
Summary of several ways to create arrays in Java
1. Declaration method of one-dimensional array: type[] arrayName; Or type arrayname []; Note: the first format is reco…… -
Take MySQL as an example to explain the steps of JDBC database connection
1. What is JDBC? What does it do? Java Data Base Connectivity Is a Java API for executing SQL statements, which can pr…… -
On math. In Java Random () and Java util. The difference between random()
Today, I suddenly remembered that Java generates random numbers. I tried it on the computer and found a difference. I'…… -
10 ways to get JAVA done in a few weeks
Don't confuse java with JavaScript. The goal of Java is & ldquo; Compile once and debug everywhere & rdquo; (E…… -
ASP. NET MVC4+EF5+EasyUI+Unity2. Front end page framework construction and source code sharing of background management system injected by X
At the beginning, we have a series of solutions. Let's start to build a new system. The user experience needs more and…… -
Wechat randomly generated red envelope amount algorithm java version
The craziest thing to play in recent years should be sending red envelopes, especially during the new year. The follow…… -
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.……