Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

Does garbage collection occur in permanent generation space in jvm?

1103

What is a constructor, constructor overloading in java?

1009

When is the finalize() called?

1199

What is difference between fail-fast and fail-safe?

1257

When does an object becomes eligible for garbage collection in java?

1085

What is the difference between serial and throughput garbage collector?

1120

What does the “static” keyword mean?

1121

What is the difference between jdk and jre?

1086

What’s a deadlock?

1119

How hashmap works in java?

1063

What are pass by reference and pass by value?

1010

what is comparable and comparator interface?

1007

Explain the available thread states in a high-level?

990

How does finally block differ from finalize() method?

1075

What is jvm? Why is java called the platform independent programming language?

1042

Un-Answered Questions { Java Related }

What is JVM and is it platform independent?

1069

What is nextline method in java?

1056

Define hibernate and hql?

350

What does business logic mean?

1015

What are the different groups under web logic security?.

966

What is meant by anonymous class?

1046

How many return statement are allowed in a function?

948

Which java ide is used the most?

1026

What is jms used for?

942

What are the three parts of a lambda expression?

1030

What is a 3 tier architecture?

467

What is action servlet in struts?

985

In which language eclipse is developed?

910

What does it mean to be immutable?

1002

Explain the importance of thread scheduler in java?

1032

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