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Java Interview questions

Java Interview questions mainly asked for experienced candidates , questions are becoming more advanced and interviewers are asking more deep questions, So we put together some the top Java interview questions below to help you be prepared for finally obtain the job you always wanted.

  • How hashmap internally works in java
  • Differents ways to create threads in java
  • Btw sleep() & wait() in java?
  • What is checked and unchecked exception in java
  • How you will perform serialization and Deserialization in java
  • What is volatile keyword
  • How you will create Immutable
  • Singleton class in java
  • Worst case time complexity of arraylist
  • Main Difference btw callable & runnable interface
  • Main Difference btw hashmap and linkedhashmap
  • How hashset internally works
  • What is functional interface
  • Stream API different methods for ex filter(),map(),foreach()
  • What is synchronization used for
  • Why do we need lambda Expressions and how do we implements lambda is Real Time projects
  • Sort the list of integers using stream api
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