Match each Java term to its correct definition.
Drag a concept onto its matching description — or click a concept then click the description.
Java Virtual Machine that executes bytecode
Runtime environment including JVM and core libraries
Development kit including JRE and tools like javac
Just-In-Time compiler that optimizes bytecode at runtime
Garbage Collector that automatically manages memory
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
JDK: Software development kit that includes tools for compiling, debugging, and running Java programs
Correct matches: JDK is the development kit; JRE is the runtime; JVM executes bytecode; bytecode is the intermediate format. Common confusions: mixing JDK and JRE or JVM with JDK.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
JDK: Software development kit that includes tools for compiling, debugging, and running Java programs
Why this is correct
JDK (Java Development Kit) provides compilers, debuggers, and other tools needed to develop Java applications.
JRE: Runtime environment that includes the JVM and core libraries required to run Java programs
Why this is correct
JRE (Java Runtime Environment) provides the JVM and class libraries to execute compiled Java programs.
JVM: Platform-independent execution engine that interprets Java bytecode into machine code
Why this is correct
JVM (Java Virtual Machine) translates bytecode into native instructions for the underlying OS and hardware.
Java bytecode: Intermediate representation of Java source code that runs on the JVM
Why this is correct
Java bytecode is the compiled output from Java source code, executed by the JVM.
JDK: Runtime environment that includes the JVM and core libraries required to run Java programs
Why it's wrong here
This describes the JRE, not the JDK. The JDK is a development kit, not just a runtime.
JVM: Software development kit that includes tools for compiling, debugging, and running Java programs
Why it's wrong here
This describes the JDK, not the JVM. The JVM is an execution engine, not a development kit.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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