Java Programming Quiz

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Questions and Answers

Which programming paradigm does Java follow?

  • Imperative
  • Procedural
  • Functional
  • Object-oriented (correct)

What is the purpose of the Java virtual machine (JVM)?

  • To compile Java code
  • To execute Java bytecode (correct)
  • To debug Java applications
  • To optimize Java programs

Which programming languages have a syntax similar to Java?

  • Python and Ruby
  • C# and JavaScript
  • PHP and Perl
  • C and C++ (correct)

What is the main advantage of Java's 'write once, run anywhere' principle?

<p>Platform independence (B)</p> Signup and view all the answers

What are some dynamic capabilities provided by the Java runtime?

<p>Reflection and runtime code modification (C)</p> Signup and view all the answers

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Study Notes

Java Programming Paradigm

  • Java follows the Object-Oriented Programming (OOP) paradigm.

Java Virtual Machine (JVM)

  • The JVM is a program that executes Java bytecode, allowing Java programs to run on any platform that has a JVM, regardless of the underlying operating system.

Similar Programming Languages

  • Programming languages that have a syntax similar to Java include C#, C++, and Python.

'Write Once, Run Anywhere' Principle

  • The main advantage of Java's 'write once, run anywhere' principle is that a Java program can run on any platform that has a JVM, without the need for recompilation or modification.

Java Runtime Capabilities

  • The Java runtime provides dynamic capabilities such as:
    • Dynamic loading of classes
    • Dynamic method invocation
    • Runtime type checking
    • Memory management (garbage collection)

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