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Java Application Loading and Execution

Java 
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Hello.java  ---> javac ---> Hello.class

1.(Class Loader)类装载器将字节码从磁盘或网络中装入内存中.

2.(Byte code verifier)字节码校验器保证所有的字节码都是合法的,且没有违背Java的安全限制.

3.解释器读入字节码并将它们翻译成计算机能理解的语言,可能在程序执行过程中存储数据值.
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| The Byte Code Verifier Guarantees
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