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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

What do you mean by aggregation?

2 1466

What are the wrapped, classes?

1 1135

What is the difference between iterator and enumeration ?

1 1068

Explain some best practices you would apply while using collection in java?

1 1127

What is the difference between hashmap and hashtable? What is an interface?

1 1286

What is starvation?

1 1455

From the two, which would be easier to write: synchronization code for ten threads or two threads?

1 1138

What is the difference between abstract classes and interfaces?

1 1115

What is the difference between dom and sax parser in java?

1 1047

Describe what a thread-local variable is in java?

1 1104

What is busy spin, and why should you use it?

1 1154

What are the default and parameterized constructors?

1 1129

How do you take thread dump in java?

1 1086

Why java is not 100% object-oriented?

2 1641

What are the different ways of implementing thread? Which one is more advantageous?

1 1070

Un-Answered Questions { Java Related }

What are the differences between heap and stack memory in java?

1128

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2259

Is minecraft 1.15 out?

1039

What is lazy class?

481

What do you know about validation plugin ?

1025

What is the difference between break and continue statements?

1118

How does java handle integer overflows and underflows?

1111

What is an object in java and how is it created?

1128

Are jvm’s platform independent?

979

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

what are the different modes of archival? Explain each mode in two lines each?

994

what is reflection api? How are they implemented?

1102

How to create a base64 decoder in java8?

1131

Can we return resultset in java?

988

How can you inject java collection in spring?

504

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