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|Interview Questions and Answers for 'Polaris]' - 1 question(s) found - Order By Newest|
|Ans. JDK(Java Development kit) = Development Kit comprising of JVM , library and development tools for developers|
JRE (Java Run time Environment) - Comprise of JVM and set of libraries
JVM(Java Virtual Machine) = Interpreter which reads the .class file line by line.
When we install JDK, JRE also get installed so we can write,compile and excute our code. Used by developer. Without JDK we can only execute the program using JRE.
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|Like Discuss Correct / Improve jvm jre jdk jvm vs jre vs jdk Infosys HCL Technologies Mphasis Polaris]|
|What are different ways to create String Object? Explain.|
|Explain java.lang.OutOfMemoryError ?|
|What are various types of Class loaders used by JVM ?|
|What are strong, soft, weak and phantom references in Java ?|
|Can I import same package/class twice? Will the JVM load the package twice at runtime?|
|Different types of memory used by JVM ?|
|What is a class loader ? What are the different class loaders used by JVM ?|
|Is JVM, a compiler or interpretor ?|
|Why do member variables have default values whereas local variables don't have any default value ?|