Java Programming

Play an AI-generated podcast conversation about this lesson

Which company acquired Java?

Oracle Corporation (correct)
Microsoft
Apple
Sun Microsystems

When was the first publicly available version of Java released?

2005
2000
1991
1995 (correct)

What is the key feature of Java that allows it to be run on any operating system?

Modularity
Object-oriented programming
Platform independence (correct)
Cross-platform compatibility

What is the principle that Java follows, allowing the code to be written once and run anywhere?

Write Once, Run Anywhere (D) Signup and view all the answers

What is Java primarily used for?

Web development (A) Signup and view all the answers

Who developed Java?

James Gosling (D) Signup and view all the answers

What programming paradigm does Java follow?

Object-oriented programming (B) Signup and view all the answers

What is the purpose of Java's bytecode?

To make the code cross-platform compatible (B) Signup and view all the answers

What is the role of objects in object-oriented programming?

To organize programs (B) Signup and view all the answers

What is the main advantage of using object-oriented programming?

Code reusability (A) Signup and view all the answers

Which of the following is included in the JRE?

JVM (A) Signup and view all the answers

What is the purpose of the JDK in Java development?

To compile Java programs (A) Signup and view all the answers

Which of the following statements is true about the JRE and JDK?

JRE is platform-independent, while JDK is platform-dependent (D) Signup and view all the answers

What is the primary compiler included in the JDK?

javac (A) Signup and view all the answers

What is the purpose of the bytecode produced by the javac compiler?

To execute the Java program (C) Signup and view all the answers

In which file format is the bytecode stored by the javac compiler?

.class (C) Signup and view all the answers

What is Java popularly known as?

The King of programming languages (C) Signup and view all the answers

In which domains can the applications of Java be seen?

Multiple domains (D) Signup and view all the answers

What is the estimated number of Java developers worldwide?

Over 9 million (A) Signup and view all the answers

What is the purpose of the JVM in Java execution?

To interpret Java programs (D) Signup and view all the answers

Which of the following best describes Java's approach to object-oriented programming?

Java is not a purely object-oriented programming language (A) Signup and view all the answers

What feature of Java makes it more secure compared to other languages?

Java's bytecode verifier (A) Signup and view all the answers

Why is Java considered a portable language?

Java uses a Java Virtual Machine (JVM) as an abstraction (A) Signup and view all the answers

What makes Java a robust language?

Java's automatic memory management (A) Signup and view all the answers

How does Java achieve high performance?

Java uses a Just-In-Time (JIT) approach for compiling and executing code (A) Signup and view all the answers

What makes Java a dynamic language?

Java's ability to adapt to evolving environments (C) Signup and view all the answers

What is the role of the Java Virtual Machine (JVM) in executing Java programs?

JVM interprets the bytecode and produces output (D) Signup and view all the answers

What is the purpose of the Java Runtime Environment (JRE)?

JRE executes the Java bytecode (C) Signup and view all the answers

What makes Java an open-source language?

Java's source code is freely available on the internet (B) Signup and view all the answers

What is the benefit of Java having a large community support?

Community support allows for faster development of Java programs (A) Signup and view all the answers