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Questions on topic java internals from Interview Questions

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Q1. What is the primary purpose of the Java Virtual Machine (JVM)?

To execute Java bytecode

To compile Java source code

To manage memory allocation

To provide a graphical user interface

Q2. Which part of the JVM is responsible for garbage collection?

Class Loader

Execution Engine

Java Native Interface

Garbage Collector

Q3. What data structure does the JVM use to store method calls?

Heap

Stack

Queue

Array

Q4. What is the purpose of the Class Loader in Java?

To load classes into memory

To execute Java bytecode

To handle exceptions

To manage threads

Q5. Which of the following is true about the Java Memory Model?

It defines how threads interact through memory

It specifies the structure of Java bytecode

It manages the CPU scheduling

It is used for network communication

Q6. What type of memory is used for storing Java objects?

Stack memory

Heap memory

Code memory

Q7. What is the role of the Just-In-Time (JIT) compiler?

To convert Java source code to bytecode

To optimize the bytecode at runtime

To manage memory allocation

To handle exceptions

Q8. Which of the following is not a part of the JVM architecture?

Class Loader

Execution Engine

Java API

Native Interface

Q9. How does the JVM handle platform independence?

By using native code

By compiling source code to machine code

By compiling code to bytecode

By using a specific operating system

Q10. What is the purpose of the Java Native Interface (JNI)?

To allow Java code to call native applications

To optimize Java bytecode

To manage memory allocation

To load classes into memory

Questions on topic java internals from Interview Questions

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