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- What does @Override in java do?
- This article comes from the java introductory program. This article introduces the role of the @Override tag in java. It has certain reference value and I hope it can help everyone. The function is to help you check whether you have correctly overridden the existing methods in the parent class.
- Javagetting Started 5175 2020-06-15 16:17:23
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- Mac or Windows for Java development?
- It is recommended to use Windows, because Windows system has many development tools, while Mac system is relatively not very comprehensive. Secondly, Mac computers are much more expensive than Windows computers with the same configuration, but the user experience of Mac system is better than that of Windows system.
- Javagetting Started 6534 2020-06-15 11:30:22
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- Is Java Web front-end or back-end?
- Java Web belongs to the back-end. Java Web is a Web application developed with Java technology. Java is a high-level programming language that can write cross-platform application software and is completely object-oriented. It is generally used in the development of back-end servers and Android software. development.
- Javagetting Started 11032 2020-06-15 11:13:04
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- The role of java reflection
- This article comes from the java introductory program. The article introduces the concept of java reflection and the role of java reflection. It has certain reference value and I hope it can help everyone. The role of java reflection: dynamically load classes and dynamically obtain class information (properties, methods, constructors).
- Javagetting Started 3338 2020-06-13 15:58:50
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- Which company developed Java?
- Java was developed by Sun Microsystems and launched as a high-level programming language that can write cross-platform application software and is completely object-oriented. The company has been acquired by Oracle, so Java is now developed by Oracle.
- Javagetting Started 29483 2020-06-13 15:26:25
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- How to understand java constructor
- The purpose of introducing constructors in Java is to ensure that each object is initialized. Before Java is able to operate the object, the system will automatically call the corresponding constructor to ensure that the initialization proceeds.
- Javagetting Started 2273 2020-06-12 16:15:51
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- What are the four uses of this keyword in java
- The four uses of this keyword in Java are: 1. Reference to member variables, such as [this. member variable name]; 2. Reference to other construction methods within its own construction method; 3. Represent objects of its own class; 4. Reference member methods.
- Javagetting Started 6371 2020-06-12 10:49:15
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- What is the function of final keyword in java
- This article comes from the java introductory program. The article introduces the role of the final keyword in java. It has certain reference value and I hope it can help everyone. The final keyword is used to modify classes, properties and methods. Classes modified by final cannot be inherited.
- Javagetting Started 2344 2020-06-11 16:51:19
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- How does eclipse run java code?
- How to run java code in eclipse: first write a main function in the project text; then write an output in the function and find Run As; then select the first [java application]; the final result can be displayed on the console.
- Javagetting Started 16878 2020-06-11 15:55:31
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- What are the main applications of java?
- The main application areas of java are: 1. Third-party trading systems; 2. Mobile Internet applications; 3. Big data technology; 4. Embedded development fields. Java is widely used in the financial industry, and many banks' service software is developed based on Java.
- Javagetting Started 7962 2020-06-11 13:27:37
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- How to use import to import custom packages in java
- The method of using import to import a custom package in Java is: [import package name.class name], such as [import animals.Animal], which means importing the Animal class in the animals package. You can also use the wildcard [*] to represent the Animal class in the package. All classes.
- Javagetting Started 6745 2020-06-11 13:14:40
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- What is the difference between static and non-static in java
- Java introductory program: This article analyzes the difference between static modification and non-static modification from the perspective of memory and operating mechanism. It has certain reference value and I hope it can help everyone. The static keyword cannot modify local variables because local variables are stored on the stack.
- Javagetting Started 3252 2020-06-10 16:18:10
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- What is the difference between SpringCloud and Docker?
- The difference between Spring Cloud and Docker: Spring Cloud is a microservice framework that provides a complete set of distributed system solutions, while Docker is an open source application container engine that allows developers to package applications into a container and then publish them to any popular platform superior.
- Javagetting Started 4293 2020-06-10 11:54:34
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- What is the idea of implementing the quick sort algorithm in java?
- The idea of implementing the quick sort algorithm in Java is to divide the data to be sorted through one sorting. One part of the data is smaller than the other part of the data, and then continue to quickly sort each part according to this method, so as to achieve the transformation of the entire data. into an ordered sequence.
- Javagetting Started 3203 2020-06-10 10:40:40
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- Three major characteristics of object-oriented: encapsulation, inheritance, polymorphism
- This article comes from the Java introductory program. The article introduces the three major characteristics of object-oriented: encapsulation, inheritance, and polymorphism. It has certain reference value and I hope it can help everyone. Encapsulation can hide the properties and implementation details of an object, which improves code reusability and security.
- Javagetting Started 4430 2020-06-09 17:30:52
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