Java environment setup (JDK, IDE) in Selenium Java - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is JDK and why is it important for Java development?

JDK stands for Java Development Kit. It includes tools to write, compile, and run Java programs. Without JDK, you cannot create or run Java applications.

beginner

Name two popular IDEs used for Java development.

Two popular IDEs for Java are IntelliJ IDEA and Eclipse. They help write code faster with features like auto-completion and debugging.

beginner

What is the role of an IDE in Selenium Java testing?

An IDE helps write, organize, and run Selenium test scripts in Java. It provides tools to manage code, run tests, and see errors easily.

beginner

How do you verify if JDK is installed correctly on your system?

Open a command prompt or terminal and type java -version and javac -version. If both show version numbers, JDK is installed properly.

intermediate

Why is setting the JAVA_HOME environment variable important?

JAVA_HOME tells your system where JDK is installed. Many tools like Maven or Selenium need this to find Java and work correctly.

What does JDK stand for?

A Java Development Kit

B Java Design Kit

C Java Debug Kit

D Java Deployment Kit

JDK means Java Development Kit, which includes tools to develop Java programs.

Which command checks the Java compiler version?

A java -version

B java compiler

C javac -version

D compile -version

javac -version shows the Java compiler version.

Which of these is NOT a Java IDE?

A NetBeans

B Eclipse

C IntelliJ IDEA

D Visual Studio Code

Visual Studio Code is a code editor, not a full Java IDE, though it can be extended.

Why set the JAVA_HOME environment variable?

A To run Python scripts

B To tell the system where Java is installed

C To install Selenium

D To open the IDE

JAVA_HOME points to the JDK location so tools can find Java.

Which tool helps write and debug Selenium Java tests?

A IDE

B JDK

C JRE

D JVM

An IDE helps write and debug Selenium Java test scripts.

Explain the steps to set up Java environment for Selenium testing.

Think about what you need before writing Java Selenium tests.

Why is an IDE useful when writing Selenium tests in Java?

Consider how an IDE helps beyond just typing code.