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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is java instanceof operator?

1 1122

Can we declare a constructor as final?

1 1444

Can you declare the main method as final?

1 1089

What are filterstreams?

1 1139

Can you write a java class that could be used both as an applet as well as an application?

1 1033

What is the platform?

1 1067

Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.

1 1114

How to perform merge sort in java?

1 1141

What is a lightweight component?

1 1086

What are the types of inner classes (non-static nested class) used in java?

1 1140

How to make a write-only class in java?

1 1139

How many types of exception can occur in a java program?

1 1064

What are the differences between this and super keyword?

1 1023

Do I need to import java.lang package any time? Why?

2 1494

Why are the objects immutable in java?

1 1082

Un-Answered Questions { Java Related }

How does java handle integer overflows and underflows?

1111

How to create a base64 decoder in java8?

1131

What do you know about validation plugin ?

1024

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

2257

What is parsing in java?

1028

what is reflection api? How are they implemented?

1101

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2861

What is the difference between filters and interceptors ?

1297

Write a program to print count of empty strings in java 8?

1077

Is minecraft 1.15 out?

1037

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

994

What is java string pool?

1076

What is the first argument of the string array in main method?

1025

What is latest hibernate version?

486

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

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