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This article introduces the relevant knowledge of "what are the characteristics of Kotlin and Java". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Kotlin features:

1. The code is small and there is no semicolon at the end of the code.

two。 The called method needs to be put on top.

3.Kotlin is null-safe: various null cases are handled at compile time, avoiding execution-time exceptions.

4. It's extensible: we can also extend more features of any class.

5. It is also functional: for example, using lambda expressions to solve problems more easily.

6. High interoperability: you can continue to use all the code and libraries written in Java, and you can even program in a mixture of Kotlin and Java in one project.

Java features:

1. simple. Java was originally designed for integrated control of household appliances, so it must be simple and clear.

two。 object-oriented. This is the most important feature of Java. The design of the Java language is completely object-oriented.

3. Distributed. Java includes a sublibrary that supports TCP/IP-based protocols such as HTTP and FTP.

4. It's clear. The security of Java can be guaranteed in two aspects. On the one hand, in the Java language, C++ functions such as pointers and freeing memory are removed to avoid illegal memory operations. On the other hand, when Java is used to create browsers, the language features combine with the capabilities provided by the browser itself to make it more secure.

5. Portable

This sentence has always been the spiritual indicator of Java programmers, and it is also one of the reasons why Java is loved by programmers. The biggest contributor is the technology of JVM.

6. High performance. If the interpreter is not slow, Java can translate the object code directly into machine instructions at run time. Sun can call 300000 procedures in a second with a direct interpreter. The speed at which the target code is translated is no different from the performance of CumberCraft +.

7. Multithreading. The multithreading technology implemented by Java is more robust than C and C++. It can achieve better interactive performance and real-time control performance.

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