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Core Java Interview Questions
Questions Answers Views Company eMail

what is use of marker interface? give me good example?

 2 6181

what is use of threads how many ways to create thread

iTrust, Verizon,

3 10730

Program to print 1 1 2 1 2 3 1 2 3 4 like that

Huawei,

8 13550

program to find 25 square = 625 here the 625 of last two digits is equal to 25, i don't know excatly what this type of number is called

Huawei,

1 4287

i need to know the website that i can compile and run a java code in online.(while system doesn't contain any jdk and jre)

 2063

What is JAVA? Why it is platform independent?

NIIT,

10 14521

i need to know the site which compiles and run the java program completely in online... thank you for your reply in advance

 2 4078

what questions are been asked ??? for interview in apti

 2144

Features of JAVA ? In which version of java synchronizedXXX() methods are included in Collections class.

NIIT,

1 6922

all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.

 4 7592

all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.

CFG,

8 9353

what is class.forname() and how it will be useful ?

 3 5897

how and when compiler knows that the Java code throws the checked Exception.

HSBC,

2 12726

diff. b/w JAVA and javascript...

NIIT,

3 6701

what is the difference between String s="hello"; and String s=new String("hello");?

 3 13784

Post New Core Java Questions

Un-Answered Questions { Core Java }

What do you understand by weak reference?

1012

what is daemon thread and which method is used to create the daemon thread? : Java thread

972

Can we call thread start () twice?

963

What is the base class of all exception classes?

1068

Why are global variables used?

1022

What do you mean by order of precedence and associativity?

950

Is string serializable in java?

1023

Can classes declared using the abstract keyword cab be instantiated?

1048

Can you give few examples of final classes defined in java api?

1006

How do you check if two given string are anagrams?

966

Explain runtime exceptions?

1178

Why java is a platform independent? Explain

1091

How would overload a function based on return type?

969

What is equals method in java?

1037

How to pass arraylist to stored procedure in java?

1173

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