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 the types of strings?

1035

What is the difference between char and char *?

1079

What is ph and buffers?

1006

Is char * a string?

992

Is hashmap thread safe?

991

Is stringwriter thread safe?

996

How do you use find and replace?

958

What is integer valueof?

1109

Why string is immutable with example?

979

What is the difference between replace and replace all?

1026

What is indexof?

987

How do you define a variable?

944

What is the difference between and ?

1016

What is regex used for?

992

What is a subsequence of a string?

1068

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Un-Answered Questions { Core Java }

What are the properties of thread?

930

What does null mean in java?

1068

What is difference between fileinputstream and filereader in java?

1066

What are encapsulation, inheritance and polymorphism?

1012

What is java algorithm?

941

Can inner class final?

1093

Is void a type?

978

What is break and continue statement?

1094

Can we override constructors in java?

1142

What is the use of static class?

1190

How do you sort words in java?

928

What is the current version of java?

1038

What is tree in java?

919

How do you override a variable in java?

1147

How java is similar to c?

1053

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