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

Core Java Interview Questions

Questions Answers Views Company eMail

How to create an interface?

1131

Why convert an applet to an application?

1165

How to use Media tracker Class.

1178

How to use string tokenizer class.

1284

Explain the overview of UDP messaging.

1176

How to create com object in Java?

1122

Explain the Propertie sof class?

1112

When object is created and destroyed?

1145

Explain the JDB in depth & command line.

1066

Give example to differentiate between call by value and call by reference.

TCS,

1114

Can you declare a private method as static?

TCS,

1196

How do you classify Dialog Box?

CGI,

1185

What happens when main () method is declared as private?

Tech Mahindra,

1191

If try block is successfully executed, Then Is Finally block executed?

PUCIT,

1129

What is final, finally, finalize?

1197

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Un-Answered Questions { Core Java }

What is difference between next () and nextline () in java?

1047

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

1095

Explain the difference between association, aggregation and inheritance relationships.

1160

Why string is called as immutable?

1012

What is a java predicate?

1022

How many bytes is a string?

1180

What is xslt in java?

1028

What is string :: npos?

1181

How does multithreading take place on a computer with a single cpu in java programming?

1062

What is the use of jtable?

1172

What is the full form of jpeg?

1010

Explain static nested classes ?

1177

What is fail fast in java?

1261

What is difference between call by value and call by reference?

1072

How many threads can I run java?

1181

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