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 method in java
- A Java method is a block of code that can be called repeatedly to implement a specific function. The definition of a method includes two parts: method header and method body.
- Javagetting Started 3140 2019-11-12 10:02:25
-
- what is java reflection
- The Java reflection mechanism is that in the running state, for any class, it can know all the properties and methods of this class; for any object, it can call any of its methods. This function of dynamically obtaining and calling object methods is called It is the reflection mechanism of java language.
- Javagetting Started 3133 2019-11-12 09:55:29
-
- Understand what encapsulation is in java
- In Java's object-oriented programming method, encapsulation (English: Encapsulation) refers to a method of partially packaging and hiding the implementation details of an abstract functional interface. Encapsulation can be thought of as a protective barrier that prevents the code and data of the class from being randomly accessed by code defined by the external class.
- Javagetting Started 4245 2019-11-12 09:54:51
-
- What is constructor function in java
- The constructor in Java is a member of object-oriented. The constructor can be called a constructor. Its function name is the same as the class name. There is no need to define a return value type and no specific return value. The constructor is a function called when constructing a created object. Its function is to initialize the object. All objects created must be initialized through the constructor.
- Javagetting Started 7243 2019-11-12 09:48:39
-
- What is a process in java
- A process is the basis of operating system architecture; a unit of activity described by a single sequence of execution, a current state, and a set of associated system resources. To create a child process in java, you can use the start() method of ProcessBuilder and the exec() method of Runtime.
- Javagetting Started 3545 2019-11-12 09:30:49
-
- How to write java program using eclipse
- The method to use eclipse to write a java program is: 1. Open eclipse and select java project in the menu bar; 2. Fill in the package name and program name in the demo project; 3. Write your own program in the main method.
- Javagetting Started 6767 2019-11-12 09:30:23
-
- what is java constructor
- The constructor is a member of object-oriented. The constructor can be called a constructor. Its function name is the same as the class name. There is no need to define a return value type and no specific return value. The constructor is a function called when constructing and creating an object. Its function is to initialize the object. All objects created must be initialized through the constructor.
- Javagetting Started 4197 2019-11-12 09:26:44
-
- Solution to the problem that the java path cannot be found
- The reason why the java path cannot be found is: the path has Chinese characters. Solution: 1. Create a new java_home value and add the jdk installation directory; 2. Create a new classpath value and add;%java_home%\lib; 3. Add %java_home%\bin to the path.
- Javagetting Started 5505 2019-11-12 09:32:15
-
- What does java instantiation look like?
- Java instantiation is to create an object, such as: Demo demo = new Demo(); statement, which uses the Demo class as a template to create a Demo class object in the heap space.
- Javagetting Started 4389 2019-11-12 09:36:29
-
- What are the differences between java heap and stack
- Difference: Stack memory is used to store local variables and method calls, while heap memory is used to store objects in Java. Stack memory belongs to a single thread. Each thread will have a stack memory, and the variables it stores can only be visible in the thread to which it belongs. Objects in heap memory are visible to all threads, objects in heap memory can be accessed by all threads, and so on.
- Javagetting Started 6358 2019-11-11 17:09:39
-
- what is java api
- API (Application Programming Interface) is a set of predefined functions that provide applications and developers with the ability to access a set of routines based on certain software or hardware without having to access the source code or understand the internals. Details of the working mechanism.
- Javagetting Started 4684 2019-11-11 16:46:43
-
- what is java 8 update
- Java Update is a software in category Audio & Multimedia Freeware developed by Oracle. Java Update is a feature that keeps your Windows computer up to date with the latest Java releases.
- Javagetting Started 24745 2019-11-11 16:35:19
-
- What are the differences between java 7 and java 8?
- New features of Java 8: Allow adding a non-abstract method implementation to the interface, just use the default keyword; lambda expressions; functional interfaces; method and constructor references; accessing outer scopes in lambda expressions Very similar to the way in older versions of anonymous objects, etc.
- Javagetting Started 7102 2019-11-11 16:20:58
-
- How to run java in cmd
- How to run java in cmd: 1. Write a java program and save it as a .java file; 2. Open the cmd command window; 3. Enter the file location; 4. Run the command javac a.java; 5. Run the command java a.
- Javagetting Started 24823 2019-11-11 16:13:11
-
- What are the differences between java == and equals
- ==: The comparison is whether the values are equal; if it acts on a variable of a basic data type, it directly compares whether the stored value is equal; if it acts on a variable of a reference type, it compares the address of the pointed object. equals: cannot act on variables of basic data types. equals inherits the Object class and compares whether they are the same object.
- Javagetting Started 4107 2019-11-11 16:05:50
Recommended Articles
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
