current location：Home > Technical Articles > Java > Javagetting Started
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Daily Programming WeChat Applet Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
-
- What is the difference between design patterns and frameworks in java
- The difference between design patterns and frameworks in Java is: 1. The framework gives the architecture of the entire application, while the design pattern gives a solution to a single design problem, and this solution can be used in different applications or frameworks Apply; 2. The design pattern is just a pure design, while the framework is a mixture of design and code.
- Javagetting Started 2612 2020-02-05 15:43:42
-
- What software is java mainly used to develop?
- Java can do many things, involving all aspects of the programming field, such as: 1. Desktop-level applications, especially desktop-level applications that require cross-platform; 2. Enterprise-level applications; 3. Embedded devices and consumer electronics products , such as wireless handheld devices, smart cards, medical equipment, digital TV, etc.
- Javagetting Started 6411 2020-02-05 13:44:18
-
- The java background framework mainly consists of several layers
- The framework of the Java backend is mainly composed of five layers, namely: 1. DAO layer (persistence layer); 2. ENTITY layer (entity layer); 3. SERVICE layer (business layer); 4. CONTROLLER layer (control layer); 5 , View layer (view layer).
- Javagetting Started 4649 2020-02-05 13:33:40
-
- java recursive algorithm example
- This article comes from the Java introductory tutorial column. It shows you the implementation process of the recursive algorithm through examples. I hope it can help you. Three elements need to be mastered to implement a recursive algorithm, which are: 1. Clarify the termination conditions; 2. Give the processing method when the recursion terminates; 3. Extract repeated logic.
- Javagetting Started 2660 2020-02-04 17:40:02
-
- How to use java operators
- There are many operators in Java, such as the assignment operator: [int a = 30], which means assigning the data on the right to the variable on the left; there are also ternary operators, such as [data type variable name = conditional judgment? Expression A: Expression B].
- Javagetting Started 2881 2020-02-04 16:38:52
-
- How to view java api documentation
- The method to view the Java API documentation is: 1. First open the Oracle official website; 2. Then click [download java for developers]; 3. Then click [java apis]; 4. Finally, select the required version and open the corresponding version online. api documentation.
- Javagetting Started 8446 2020-02-04 14:30:46
-
- How to play java games on Android?
- To play Java games on Android phones, you need to install the j2me emulator. Find the Java installation package in jar format in the file manager and install it. Make resolution and other related settings in the installed program, and finally click Run to start the game.
- Javagetting Started 11404 2020-02-04 11:40:00
-
- How to type the 'or' symbol in java
- How to input the "or" symbol in Java: Press and hold the shift key in the English input method, and then press the right underline (the key between the backspace key and the enter key).
- Javagetting Started 25781 2020-02-04 10:25:45
-
- What are the java functions?
- Java has many functions, and functions are methods. There are many packages in the JDK, each package has many classes, and each class has many methods. For example, the String class has functions such as valueOf(), splite(), and toArrayChar().
- Javagetting Started 5322 2020-02-04 10:09:26
-
- What is java path?
- The Java path refers to the location of the Java executable file in the system, usually "Java installation path\jdk\bin\java.exe". There are also javaw.exe and javaws.exe files in the bin directory, which are also Java executable files.
- Javagetting Started 2840 2020-02-04 09:51:06
-
- Solution to Java program displaying garbled characters in Chinese
- The solution to the problem that Java programs display garbled characters in Chinese: First use Notepad to open the source code file, click [File] - [Save As]; then in the encoding settings, change UTF-8 to ANSI; finally recompile and run.
- Javagetting Started 27005 2020-02-04 09:26:31
-
- javac cannot find .java file
- Solution to the problem that javac cannot find the .java file: 1. Open the folder options - check the file extension - rename the Java file and delete the .txt suffix; 2. Use the cd command to switch to the path where the java file is located, and then execute the javac command ;3. Check the correctness of the main() method.
- Javagetting Started 4025 2020-02-04 09:12:50
-
- How to generate jar in java
- How to generate jar from java: 1. Write a test class and compile it into a class file; 2. Enter the parent directory of the class file and enter jar -cvf [name of jar package] [file to be packaged] to complete packaging.
- Javagetting Started 4343 2020-02-03 14:52:38
-
- Is jdk java?
- jdk is not java, and Java is not jdk. Java is a development language, and JDK is the abbreviation of Java Developer Kit. In other words, only programmers who develop Java need to install JDK. If you want to run Java language, you only need JRE (Java Runtime Environment).
- Javagetting Started 6194 2020-02-03 14:37:44
-
- What is java polymorphism mechanism
- The mechanism to achieve polymorphism in Java relies on references from parent classes or interfaces to point to subclasses. Thus realizing the characteristics of multiple forms of an object. The reference of the parent class dynamically points to a specific instance when the program is running. When the method of the reference is called, it is not run according to the method defined in the type of the reference variable, but according to the method of the specific instance.
- Javagetting Started 2644 2020-02-03 14:25:20
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
