What are the three important parts of the execution of a Java program in the JRE environment?

I - ClassLoader: it loads the essential classes for ...

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What are the three important parts of the execution of a Java program in the JRE environment?

I - ClassLoader: it loads the essential classes for the execution of a Java program, making this service on demand.
II - Bytecode verifier: after the bytecode is generated by the JDK, it is verified to avoid future problems in the interpreter and also to not corrupt anything in the system.
III - Interpreter: with the bytecode verified, the interpreter uses the JVM to execute the code on the respective machine.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.

Ed · Answer

A resposta correta é a alternativa "e) I, II, and III are correct." (I, II e III estão corretas).

I - ClassLoader: carrega as classes essenciais para a execução de um programa Java, fazendo esse serviço sob demanda.
II - Verificador de bytecode: após o bytecode ser gerado pelo JDK, ele é verificado para evitar problemas futuros no interpretador e também para não corromper nada no sistema.
III - Interpretador: com o bytecode verificado, o interpretador usa a JVM para executar o código na respectiva máquina.

What are the three important parts of the execution of a Java program in the JRE environment? I - ClassLoader: it loads the essential classes for ...

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