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Core Java Interview Questions
Questions Answers Views Company eMail

Are arrays dynamic in java?

1053

How arrays are stored in memory in java?

996

Is list thread safe in java?

938

Why hashcode is used in java?

994

What is thread start?

977

Is arraylist an object in java?

1191

Is array synchronized in java?

1056

How to implement an arraylist in java?

1187

Is set thread safe java?

939

Why enumeration is faster than iterator?

957

Will set allow duplicates in java?

993

How to display arraylist values in java?

1029

Can we call thread start () twice?

975

How do I stop concurrentmodificationexception?

1053

Is set sorted in java?

952


Post New Core Java Questions

Un-Answered Questions { Core Java }

Write an algorithm program in java for the following question.. In a VLSI design techniques,they used rectangles to design circuits. EVery rectangle is to be placed according to x,y coordinates. Check whether or not two rectangles overlap each other. Here overlapping of rectangles is acceptable, if 1) one rectangle intersect with other. 2) one rectangle fully covers other. The time of algorithm should not exceed o(n logn).

2750


what is the purpose of using rmisecuritymanager in rmi?

989


Where we write javascript code in html page?

1074


Which collection is sorted in java?

1050


What is the difference between Grid and Gridbaglayout?

1274


Can we call the run() method instead of start()?

1057


Is Java a dying language?

1106


Who is the owner of java?

1021


Where are register variables stored?

1030


Why is java so important?

1136


What language is pass by reference?

1033


Difference between arraylist and vector.

1144


What is a parameter in java?

1005


What is an image buffer?

1009


What is the difference between equals() and == in java?

987