Java Test 3 2025/2026 Exam Questions
and Detailed Answers | Get it 100%
Correct Answers
Java developers don't need to know an object's location in memory -
🧠ANSWER ✔✔true
Java automatically clears the memory once occupied by an object using
garbage collection - 🧠ANSWER ✔✔true
Variables created within a method maintain scope outside that method -
🧠ANSWER ✔✔false
If you need to make a particular variable belong to a class rather than any
individual instance, what type of variable should you use? - 🧠ANSWER
✔✔static variable
, The purpose of a setter method is to allow private data to be modified
safely - 🧠ANSWER ✔✔true
The purpose of a getter method is to return the value of a private field -
🧠ANSWER ✔✔true
Setters are void return type methods - 🧠ANSWER ✔✔true
Encapsulation - 🧠ANSWER ✔✔A technique for limiting one class's visibility
to another
When you write your own constructor, the default constructor is no longer
available - 🧠ANSWER ✔✔true
Which keyword is used to allocate memory for a newly created object? -
🧠ANSWER ✔✔new
A constructor is a special method which is commonly used to set the initial
values of an object's fields. - 🧠ANSWER ✔✔true
Class name should follow Camel casing rules. - 🧠ANSWER ✔✔true
What will happen when you try to access an object reference with a null
value? - 🧠ANSWER ✔✔null pointer exception
and Detailed Answers | Get it 100%
Correct Answers
Java developers don't need to know an object's location in memory -
🧠ANSWER ✔✔true
Java automatically clears the memory once occupied by an object using
garbage collection - 🧠ANSWER ✔✔true
Variables created within a method maintain scope outside that method -
🧠ANSWER ✔✔false
If you need to make a particular variable belong to a class rather than any
individual instance, what type of variable should you use? - 🧠ANSWER
✔✔static variable
, The purpose of a setter method is to allow private data to be modified
safely - 🧠ANSWER ✔✔true
The purpose of a getter method is to return the value of a private field -
🧠ANSWER ✔✔true
Setters are void return type methods - 🧠ANSWER ✔✔true
Encapsulation - 🧠ANSWER ✔✔A technique for limiting one class's visibility
to another
When you write your own constructor, the default constructor is no longer
available - 🧠ANSWER ✔✔true
Which keyword is used to allocate memory for a newly created object? -
🧠ANSWER ✔✔new
A constructor is a special method which is commonly used to set the initial
values of an object's fields. - 🧠ANSWER ✔✔true
Class name should follow Camel casing rules. - 🧠ANSWER ✔✔true
What will happen when you try to access an object reference with a null
value? - 🧠ANSWER ✔✔null pointer exception
