1Z0-811 What is Java Practice Question
Which TWO are true about the Java Runtime Environment (JRE)? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It includes the JVM
The JRE (Java Runtime Environment) includes the JVM (Java Virtual Machine) and core libraries necessary to run Java applications. Therefore, option C is correct. Option E is correct because the JRE is required to run any Java application; without it, Java bytecode cannot be executed. Option A is incorrect: the JRE is smaller than the JDK (Java Development Kit) because the JDK contains additional tools like the compiler and debugger. Option B is incorrect: the Java compiler is part of the JDK, not the JRE. Option D is incorrect: development tools are included in the JDK, not the JRE.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It is larger than the JDK
Why it's wrong here
The JDK is larger because it includes the JRE plus development tools.
- ✗
It includes the Java compiler
Why it's wrong here
The compiler is part of the JDK, not the JRE.
- ✓
It includes the JVM
Why this is correct
The JVM is a core component of the JRE.
- ✗
It includes development tools
Why it's wrong here
Development tools are part of the JDK.
- ✓
It is required to run Java applications
Why this is correct
The JRE provides the libraries and JVM needed to execute Java programs.
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