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java为什么是一次编译，多次解释

前言在编程语言中分为编译型语言、解释型语言，而我们的java语言既是编译型的也是解释型的，因为比如c语言是编译型的，因为我们将c语言的源代码编译过后就形成了.exe文件，这样windows系统就可以直接运行，然而我们的java是先将源代码编译成.class文件,然后再由我们的jvm虚拟机解释为我们操...

Java编译与解释

JDK1.8中的虚拟机采用JIT编译器，它采用编译与解释并存的mixed mode，根据方法的执行频率采用编译或者解释的方式执行字节码。当我使用javac命令编译的时候，是将执行频率高的方法编译成字节码，然后其他方法解释执行吗？这样子的话我用java执行的是.class文件，没有被编译成字节码的那部...

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