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|Interview Questions and Answers|
|Ans. One can import the same package or same class multiple times. Neither compiler nor JVM complains wil complain about it. And the JVM will internally load the class only once no matter how many times you import the same class.|
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|What are different ways to create String Object? Explain.|
|Difference between JVM, JRE and JDK ?|
|What are various types of Class loaders used by JVM ?|
|Explain java.lang.OutOfMemoryError ?|
|What are strong, soft, weak and phantom references in Java ?|
|Which memory areas does instance and static variables use ?|
|Can we call the garbage collector explicitly ?|
|Why Java provides default constructor ?|
|Different types of memory used by JVM ?|