Search Interview Questions
| 3348 questions in repository.|
There are more than 200 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Java - Interview Questions and Answers|
|Ans. Yes and No. JVM is an extra layer that translates Byte Code into Machine Code. So Comparing to languages like C, Java provides an additional layer of translating the Source Code.|
C++ Compiler - Source Code --> Machine Code
Java Compiler - Source Code --> Byte Code , JVM - Byte Code --> Machine Code
Though it looks like an overhead but this additional translation allows Java to run Apps on all platforms as JVM provides the translation to the Machine code as per the underlying Operating System.
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  java   jvm   interpreter   platform independent   yes-no   advanced   architecture|
|Why is String immutable in Java ?|
|Does garbage collection guarantee that a program will not run out of memory?|
|Why Char array is preferred over String for storing password?|
|Describe what happens when an object is created in Java ?|
|Can you provide some implementation of a Dictionary having large number of words ?|
|Describe, in general, how java's garbage collector works ?|
|Can constructors be synchronized in Java ?|
|What are various types of Class loaders used by JVM ?|
|Can I import same package/class twice? Will the JVM load the package twice at runtime?|
|Different types of memory used by JVM ?|