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Core Java Interview Questions
Questions Answers Views Company eMail

How do you add an element to a set in java?

202

Who found java?

202

How do I compare two strings in word in java?

209

What is keyset in java?

227

How is treeset implemented in java?

189

How to sort numbers in java without array?

224

How to sort array in descending order in java?

186

How is hashset defined in java?

215

How list contains works in java?

205

What is a linkedhashmap java?

193

What is entry in java?

186

Is java jre still free?

189

How to check if a list is sorted in java?

240

Does list maintain insertion order java?

221

Is map sorted in java?

237


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Un-Answered Questions { Core Java }

When a thread is executing synchronized methods , then is it possible to execute other synchronized methods simultaneously by other threads?

259


How to remove the trailing spaces from a string?

274


What is internal variable?

210


What is quick sort in java?

246


Define inheritance with reference to java.

242






Is char a method in java?

214


What class allows you to read objects directly from a stream in java programming?

217


What is a variable simple definition?

216


What is an class?

287


What is pass by value?

212


What is the ==?

205


Explain the differences between static and dynamic variables?

252


Why doesn't the java library use a randomized version of quicksort?

242


What are selection structures?

194


What is dynamic array in java?

192