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 is the difference between Byte stream and Charecter Stream?

Tarang Software,

2 5309

where final and static variable stored?

3 15900

does java support default argument in Method?

1 3594

Why does java not allow multiple public classes in a java file ?

2 4375

what is the reason behind non static method cannot be referenced from a static Context?

2 4651

why java does not support unsigned keyword?

1 5117

If goto and const is reserve words than why it is not work in java?

1914

Can a class be subclass of itself?

4 6934

java is fullu object oriented or pure? why?

8 9647

What is the difference between Object and Instance?

TCS,

5 9570

how to java plateform independent?

TCS,

5 6928

Why does java doesnot support multiple inheritance?

TCS,

5 7824

What are the characteristics provided in jdk1.6 apart from other versions?

TCS,

3 7435

What does those terms actually mean included in the j.d.k i.6?

2070

Why does java doesnt suuport unsigned values?

ABC,

2173

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Un-Answered Questions { Core Java }

Can we start a thread twice in java?

908

what invokes a threads run() method? : Java thread

963

What does next mean in java?

923

What is a byte array?

1048

What are default methods ?

982

What about main() method in java ?

971

What is the difference between and ?

943

Why arraylist is not synchronized in java example?

970

What is boolean flag in java?

1033

Can a class with private constructor be extended?

876

What are mutable classes?

969

How many types of voids are there?

919

Does string isempty check for null?

962

When should the method invokelater() be used?

972

What is contract between hashcode and equal method?

978

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