Interview Questions and Answers - Order By Newest Q31. What are different methods to get the permanent gen space of running application? Core Java
This question was recently asked at 'Apcolite'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  jvm  memory management Asked in 1 Companies advanced Related Questions What are different ways to create String Object? Explain. Does garbage collection guarantee that a program will not run out of memory? Describe, in general, how java's garbage collector works ? Describe what happens when an object is created in Java ? What are various types of Class loaders used by JVM ? Why two types of memory - stack and heap are required by Java ? Should we override finalize method ? 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 ? Q32. Create a custom hashmap using synchronization. Core Java
This question was recently asked at 'Deutsche Bank'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  hashmap  coding Asked in 1 Companies advanced Related Questions Hash map using/without using Java 8 This question was recently asked at 'Cognizant (CTS), Advanced Micro Instruments'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ami Asked in 2 Companies Related Questions Difference between == and .equals() ? Why is String immutable in Java ? Explain the scenerios to choose between String , StringBuilder and StringBuffer ?
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What is the difference between String , StringBuilder and StringBuffer ? What are the difference between composition and inheritance in Java? Explain OOPs
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Explain OOPs Principles
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Explain OOPs Concepts
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Explain OOPs features
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Tell me something about OOPs What is a Lambda Expression ? What's its use ? Why Char array is preferred over String for storing password? What are different ways to create String Object? Explain. Does garbage collection guarantee that a program will not run out of memory? What is the difference between final, finally and finalize() ?