Complete Java SE 8 Developer Bootcamp - Java Memory Leaks

Complete Java SE 8 Developer Bootcamp - Java Memory Leaks

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial discusses the challenges of manual memory management and demonstrates how improper handling of static variables can lead to memory leaks. It provides a simple example of a memory leak caused by assigning a passed object to a static variable without proper cleanup. The tutorial emphasizes the importance of setting static variables to null when they are no longer needed to prevent memory leaks. It concludes with a reminder that while garbage collection handles many issues, developers must still be vigilant to avoid introducing memory leaks through poor coding practices.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential risk even with automatic garbage collection?

Increased speed of program execution

Automatic optimization of code

Introduction of manual memory leaks

Complete elimination of memory leaks

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is assigning an object to a static variable potentially problematic?

It automatically deletes the object after use

It makes the object immutable

It causes the object to be shared across all instances

It keeps the object in memory for the lifetime of the class

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the car parameter after the 'do something' method is executed?

It is removed from memory once the method completes

It is automatically converted to a static variable

It is stored in a temporary cache

It remains in memory indefinitely

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you prevent a memory leak when using static variables?

By avoiding the use of static variables altogether

By increasing the memory allocation

By assigning the static variable to null after use

By using dynamic variables instead

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of garbage collection in memory management?

To increase the speed of program execution

To prevent all types of memory leaks

To handle most memory management issues

To automatically optimize code execution