包含标签：Java 的文章
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Java 8 new feature method reference details
Java 8 new feature method reference For reference, we generally use it in objects, and the characteristic of object re…… -
Solution to the problem of obtaining form data and garbled code in Java Web
First, use a user submission interface as an example (text box, password box, selection, drop-down form, etc.), and th…… -
In depth understanding of fault handling tools for Java virtual machine
preface This article mainly introduces the fault handling tools of Java virtual machine. These tools include: JPS: vir…… -
Java implementation uses the simple method of string class to read the content of a tag in XML file
1. Use the indexof () and substring () provided by the string class to quickly obtain the specific content in a file T…… -
java. lang.NoSuchMethodException: com. sun. proxy.$ Proxy58. List error resolution
java. lang.NoSuchMethodException: com. sun. proxy.$ Proxy58. List error resolution There are always some unexpected ex…… -
Summary of the use of break and continue keywords in Java
I Function and difference break is used to jump out of the current loop block (for, while, do while) or program block …… -
Detailed explanation and example application of Java static proxy mode
Java static proxy mode Proxy mode: provides a proxy for other objects to control access to this object. The proxy mode…… -
Struts 2 $, #,% detailed explanation and example code
I've been learning SSH recently. I haven't been able to understand the difference between $,%, # and. I've done a litt…… -
How does Java delete elements during list or map traversal
There are many ways to traverse and delete the elements in the list or map, which will cause problems when used improp…… -
Java enumeration (enum) explains seven common uses
JDK1. 5 introduces a new type enumeration. Although it is a "small" function in Java, it brings "big" convenience to m…… -
Java method for saving / reading objects to / from files
1. Save object to file The Java language can only save the objects of classes that implement the serializable interfac…… -
Analysis on key points of Java multithreading
Multithreading details What are the similarities and differences between sleep method and wait method? Similarities: L…… -
Tomcat error: HTTP status 500 (wrapper cannot find servlet class) solution
Tomcat reports an error: HTTP status 500 - wrapper cannot find servlet class HTTP Status 500 - Wrapper cannot find ser…… -
JQuery animation effect code sharing
1、 Show, hide The display method in jQuery is: Show(), the hiding method is: hide()。 When there are no parameters, i…… -
Explanation of java web file upload and download examples (cool file upload Technology)
1、 Course overview In the development of web application system, file upload function is a very common function. Toda…… -
Solution to the exception of double type operation result in Java
Question: When two double type values are operated, sometimes the result value is abnormal. For example: Output: 39.98…… -
Java spring 5 new features functional web framework detailed introduction
New features of Java spring 5 functional web framework give an example Let's start with some excerpts from the sample …… -
Explain the socket chat program based on Java – server (with demo)
Write before: Yesterday, I recorded the initial design of a socket chat program I took the time to write on my blog, w…… -
Book module of Java Web Book Mall Design (4)
This paper then studies the classification module of the previous book Mall for your reference. The specific contents …… -
On the similarities and differences between Java interface and C + + virtual class
C + + virtual classes are equivalent to abstract classes in Java. The differences between C + + virtual classes and in…… -
Detailed explanation of Java Web image upload and file upload examples
Java Web image upload and file upload Image upload is essentially the same as file upload, and the image itself is als…… -
Method summary of circular deletion of elements in list in Java
In my impression, there is a problem with the way to use the for loop to delete the elements in the list, but you can …… -
JavaMail tutorial creating mail (2)
The JavaMail API uses javax mail. Message class represents a message. Message class is an abstract class, so we need t…… -
Several ways of developing web service with Java
Web service has been more and more widely used. The following describes several ways to develop web service in Java sy…… -
Serialization and deserialization of Java objects
This example shares the serialization and deserialization of Java objects for your reference. The specific contents ar…… -
Summary of several writing methods of retaining two decimal places in Java
This paper lists several methods: @ h_ 419_ 5@ 1. Use Java math. BigDecimal @H_ 419_ 5@ 2. Use Java text. DecimalForma…… -
Stored procedure call and running process of mybatis source code analysis
In this article, let's learn the usage and running process of mybatis calling stored procedures. First, we create a si…… -
Implementation method of Java multi-user login restriction
Recently, I was relatively idle and didn't have any projects to do, so I stroked some common problems that I would enc…… -
On the principle and implementation method of HTTP using basic authentication
1、 Basic certification overview In the process of communicating with the HTTP protocol, the HTTP protocol defines the…… -
On the use of list storing map object in S: select tag
1、XXXAction. java 2、test. JSP page The contents of the drop-down list can be displayed in the above form. The above …… -
Detailed explanation of Java HashMap, treemap and LinkedHashMap
Detailed explanation of Java HashMap, treemap and LinkedHashMap During the interview this morning, I asked about Java …… -
Java string format – string Use of format()
This article introduces Java string formatting - string The usage of format() is as follows: Formatting of general typ……