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

Core Java Interview Questions

Questions Answers Views Company eMail

What are synchronized blocks in java?

1198

Explain about abstract classes in java?

1048

What are reference variables in java?

1136

Explain about method local inner classes or local inner classes in java?

1042

State some situations where exceptions may arise in java?

1071

Is it possible for yielded thread to get chance for its execution again ?

1049

Difference between this() and super() in java ?

1093

Explain java coding standards for classes or java coding conventions for classes?

1140

What is constructor in java ?

1211

Difference between ‘>>’ and ‘>>>’ operators in java?

1138

Can we restart a dead thread in java?

1018

List out five keywords related to exception handling ?

1031

Explain what access modifiers can be used for variables?

1074

Can we synchronize static methods in java?

1117

Can we overload run() method in java?

1221

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Un-Answered Questions { Core Java }

What is args length in java?

1187

Why you should not use singleton?

999

Why is it called buffering?

1134

What do you mean by order of precedence and associativity?

961

List implementations of list interface?

1047

Difference between operator overloading and function overloading

1085

what is heap memory?

1119

What is data member in java?

1074

What are the advantages of compiled language?

1089

Explain about member inner classes?

1114

What does a void function return?

1024

What is ascii format?

1002

Does hashset allow duplicates in java?

1137

Why is stringbuffer not immutable?

1095

Explain inheritance in java?

1007

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