Recent Posts
-
Implementation of 16 bit and 32-bit MD5 encryption of string under Java programming
As follows: @ h_ 404_ 3@ -
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…… -
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…… -
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…… -
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 …… -
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…… -
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…… -
Talking about Java generic wildcards solves many criticisms of generics (such as not overloading)
Generic: Generic methods cannot be overloaded because they are the same after being erased, that is, if the formal par…… -
On substring () method in Java string
The method is as follows: The first int is the starting index, corresponding to the starting position in the string nu…… -
Java self-study books recommend programmers to architects
As a java programmer, the most painful thing is that there are too many choices and too many books to read, which is o…… -
Java solution for intercepting strings with Chinese characters by bytes (recommended)
Since the length of the Oracle field used by the interface is a fixed number of bytes, and the string transmitted late…… -
Implementation of Java rounding and keeping decimal
//Mode 1: double f = 3.1516; BigDecimal b = new BigDecimal(f); double f1 = b.setScale(2,BigDecimal.ROUND_HALF_UP). dou…… -
Java EE online number management system
This blog is a summary of filter, listener and servlet technologies. It realizes the functions of simply displaying th…… -
Java syntax based operator learning notes sharing
1、 Operator Operators include the following: Arithmetic operator assignment operator comparison operator logical oper…… -
Convert the first letter of a string to case in Java
Don't say much, just go to the code The above is all about using java to convert the initial letter of a string to cas…… -
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…… -
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…… -
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…… -
Implementation method of Android programming dynamic button
This paper describes the implementation method of dynamic buttons in Android programming. Share with you for your refe…… -
Simple design of Android user registration interface
This example shares the design of Android user registration interface for your reference. The specific contents are as…… -
Android efficiently loads large and multi graph solutions to effectively avoid program oom
The main content of this article comes from Android doc. I have done some processing after translation. Good English f…… -
Android realizes the method of rotating, zooming in and out pictures
This paper describes the method of rotating, zooming in and zooming out pictures on Android. Share with you for your r…… -
The drawableright property of EditText in Android sets the click event
This method is universal, not only for EditText, but also for textview, AutoCompleteTextView and other controls. The o…… -
Gravity sensing usage analysis of Android programming
This paper illustrates the gravity sensing usage of Android programming. Share with you for your reference, as follows…… -
Android practical programming skills code summary
This paper summarizes the practical programming skills of Android. Share with you for your reference, as follows: 1. M…… -
Android control code for displaying power
The following describes the control code for Android to display power. The specific code is as follows: 1. Directory s…… -
Use of navigationview in Android and related problem solving
1、 Basic use 1. Add dependencies in the design library of navigationview (the latest is 23.2.0); 2. Add navigationvie…… -
Android programming shows detailed examples of pictures on the network
This paper describes the method of Android programming to display pictures on the network. Share with you for your ref…… -
Example of object movement / control drag function based on Android widget components
This article illustrates how Android implements the object movement / control drag function based on widget components…… -
Example of how to add hyperlinks to Android textview
This article describes the method of adding hyperlinks to Android textview. Share with you for your reference, as foll…… -
Detailed explanation and example code of Android spinner and adapter mode
Recently, I made a project to use Android spinner. Here is a simple example to test how to use it. Spinner Is a drop-d…… -
Search for bus route details of Android Baidu map
This article can realize Baidu bus line search and select multiple lines. The specific implementation code is as follo……