Which of the following describes the difference between Stack and Heap?

Stack accesses local variables only, Heap allows you to access variables globally

Stack is hierarchical, Heap is linear

Stack accesses variables globally, Heap accesses variables locally

Stack memory can become fragmented, Heap memory will never become fragmented

Which of the following describes the difference between Java Heap Space and Stack?

Heap is used throughout the application, Stack is only used for currently running method(s)

Heap contains all objects created, Stack contains references to those objects

Objects stored in Heap can only be accessed locally, Objects stored in Stack can be accessed globally

Heap will never become fragmented, Stack can become fragmented

Which of the following describes the memory types in JVM?

Heap memory and non-heap memory

Cache memory and non-cache memory

Static memory and dynamic memory

What are XMS, XMX, and MaxPermSize used for?

Specifying the initial and maximum heap sizes and maximum size of the permanent generation space

Defining the number of threads in the JVM

Setting the JVM vendor and version

Enabling or disabling garbage collection

What is the way to check the heap size in WebSphere Application Server administrative console?

Check the Maximum Heap Size field in the administrative console

Check the console output during application startup

Look at the application's source code

Run the "heapsize" command in the console

What happens when the Java heap is full?

Garbage collection is triggered

The heap size is automatically increased

The program switches to using non-heap memory

12.Memory Allocation + java

Authored by ANIL KUMAR

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Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is memory allocation done in Java?

Stack

Heap

Queue

Array

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Yes

Maybe

Sometimes

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12.Memory Allocation + java

How is memory allocation done in Java?

Does Java need memory allocation?

Which of the following is the correct way to allocate more memory to Java?

What is memory allocation?

What is the recommended minimum amount of memory to allocate to Java for 64-bit Maximo 7.5 JVM systems?

What are the types of memory in Java?

Does the JVM only have heap memory?

How many memory areas are there in the JVM?

What is the recommended maximum heap size range for 64-bit Java Virtual Machine (JVM)?

What do Xmx and Xms specify in Java?

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