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Questions and Answers
Which programming paradigm does Java follow?
Which programming paradigm does Java follow?
- Imperative
- Procedural
- Functional
- Object-oriented (correct)
What is the purpose of the Java virtual machine (JVM)?
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?
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?
What is the main advantage of Java's 'write once, run anywhere' principle?
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What are some dynamic capabilities provided by the Java runtime?
What are some dynamic capabilities provided by the Java runtime?
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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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