Core Java Programming Course- "var" Keyword

Core Java Programming Course- "var" Keyword

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the concept of garbage collection in Java, highlighting how the garbage collector manages memory by removing unused objects to prevent memory overflow. It further discusses the introduction of a garbage collector interface in Java 10, which simplifies the process of adding, implementing, or removing garbage collectors in JDK builds, thus improving performance and code management.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of the garbage collector in Java?

To compile Java code

To manage memory by removing unused objects

To optimize CPU usage

To handle network connections

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to string objects during each iteration in a Java program?

They are permanently stored in memory

They are deleted immediately after use

They are reused in the next iteration

A new string object is created for each iteration

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What issue can arise if unused objects are not cleared in a Java application?

The application may run faster

The JVM might run out of memory

The application will become more secure

The JVM will automatically update

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the garbage collector interface introduced in Java 10?

To remove all garbage collectors from Java

To make Java applications run slower

To increase the size of the JVM

To simplify the addition and removal of garbage collectors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How has the garbage collection functionality been improved in Java 10?

By removing all garbage collectors

By making it more complex

By reducing its performance

By introducing an interface and improving performance