Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

Explain jdk, jre and jvm?

1 1044

What is the difference between this() and super() in java?

1 1142

What is an infinite loop in java? Explain with an example.

1 1134

What is a package in java? List down various advantages of packages.

1 1396

What is the difference between a local variable and an instance variable?

1 1225

Define a java class.

2 1574

Why pointers are not used in java?

1 1208

List down the methods and interfaces of collection class in java.

1 1063

What is multiple inheritance? Is it supported by java?

1 1046

What is collection class in java?

1 1081

Differentiate between the constructors and methods in java?

1 1032

What are the main concepts of oops in java?

5 1925

Why java strings are immutable in nature?

1 1155

What are the autowiring modes?

1 498

Is there a case when finally will not execute?

1 1085

Un-Answered Questions { Java J2EE }

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

1133

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

2866

How to create a base64 decoder in java8?

1133

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

1084

What is a classloader in java?

1086

Write a program to find the whether a number is an Armstrong number or not?

1095

What is lazy class?

484

What are the contents on web.xml in struts application ?

1060

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

1033

Differentiate between static and non-static methods in java.

1118

What is java string pool?

1077

What is the difference between filters and interceptors ?

1305

i want test pattern of zylog company and some examples also

2859

How is declarative handling of exceptions done in struts ?

1001

What is parsing in java?

1034

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