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summary Test site: Java development history -- general understandingIt is divided into J2ME, J2SE and J2EECharacteristics of Java language (open, simple, robust, secure, network oriented, full OOP, cross platform)Comparison between Java and C + +:Analyze the differences and relations among JVM, JRE and JDKjava programs (. java files) are ...

preface When it comes to programming, we have to mention object-oriented. It's a rotten topic. For decades, people have been arguing about the quality of object-oriented. From a macro point of view, the essence of a huge program is the simulation of entity sets and relationships in the business. Although it is convenient to solve the relations ...

1, What is process oriented? Process oriented programming is a process centered programming idea. Its principle is to decompose the problem into detailed steps, and then realize each step through functions and call them in turn.Process oriented, we are concerned about the steps to solve a problem. For example, car start and car ...

As a C + + programming developer, you can consider the following three design problems: (1) Design a class that describes queues. You may need different classes because each queue processes different data. For example, members may have a queue representing int, a queue representing string, or even a queue representing string queue, etc. Howeve ...

java inheritance and polymorphism preface Tip: the following is the main content of this article. The following cases can be used for reference 1, What is inheritance? If class B has all the attributes and methods of class A, and has some special attributes and methods, class A is called a general class. Class B is called a spec ...

1, Three characteristics of object-oriented programming 1.1 basic introduction Object oriented programming has three characteristics: encapsulation, inheritance and polymorphism. 2, Object oriented programming - encapsulation 2.1 package introduction 2.2 understanding and benefits of packaging 2.3 implementation steps of packagin ...

Program requirements 1. Write a Cat class and implement a shout() method, which can output the kitten's meow 2. Modify the above program to declare a field name and a constructor with parameters for Cat class, so that the name of the object can be set when instantiating the object; It also enables the shot () method to output the name of the ...