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

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Java Related Interview Questions

Questions Answers Views Company eMail

Can list have duplicates in java?

960

How to retrieve data from database in java using arraylist?

1122

Is vector thread safe in java?

1107

How do you remove an element from an arraylist in java?

1082

Can arraylist hold different types java?

1049

Is arraylist ordered in java?

1182

Can java hashmap have duplicate keys?

1089

How is java hashmap implemented?

1083

Can you have two constructors in java?

1052

How do you declare an array in java?

1142

Is java map thread safe?

1020

Is array dynamic in java?

998

Does java set allow duplicates?

1151

Can we increase array size dynamically in java?

1019

How to store image in arraylist in java?

1033

Un-Answered Questions { Java Related }

What does method mean?

1147

what are the gbx,gdb and other tools in linux for core dump,and how to configure stdout,stderr..what is the difference between stdout ,stderr and coredump. how to create core dump and view that one? please can anybody explain me?

4792

How do I compare two strings in word in java?

1049

What are the types of ejb?

1062

What is the function of managedconnection.addconnectioneventlistener() in web logic server?

1022

What are the new features available in jdbc 4.0?

1025

What is a plugin in java?

978

What is optional in java 8? What is the use of optional?advantages of java 8 optional?

973

what is zuul in spring boot? : Spring Boot

472

Does java arraylist maintain insertion order?

1058

How will you reverse a link list without using recursion?

1093

What is the use of ioc in spring?

503

Tell us something about different types of casting?

1001

What is contextloaderlistener in spring?

503

How can we find the actual size of an object on the heap?

1362

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