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 is the difference between heap memory and stack memory?

Aspiring Minds,

1057

What Is Query Throttling in java?

HCL,

997

What do you mean by Function Overloading in java?

Impetus,

1174

How to remove the trailing spaces from a string?

Infogain,

1263

how many types of Inheritance?

Impetus,

1164

Difference between a process and a program?

Infosys,

1110

What is the benefit of using enum to declare a constant?

Aspire, Infogain,

1099

Define "Access specifiers" in java.

HCL,

1163

What are the different approaches to implement a function to generate a random number?

Axtria, ITC Indian Tobacco Company,

1056

What are abstract classes and anonymous classes?

Flextronics, Thomson Reuters, Virtusa,

1071

Explain the differences between static and dynamic variables?

Fidelity,

1142

How would you dynamically allocate memory to an array?

Atos Origin,

1036

What is the difference between Array and Hash Table?

Impetus,

1024

What are heap memory and stack memory and what are memory tables.

Aspiring Minds,

982

What are the concepts of 'OOPS'?

Atos Origin,

1066

Un-Answered Questions { Java Related }

What is a java applet? What is an interface?

1088

What is message-driven bean?

1024

What are the causes of having ociw32.dll error in the database of web logic server?

1026

Can an ejb send asynchronous notifications to its clients?

969

What is jit and its use?

985

What is a jdbc connection string?

934

how to debug struts project in netbean ?

2353

Why is the main method declared static?

1125

Define ripple effect?

1072

What is the use of hibernateutil?

355

Two databases there (oracle and db2),so I want 3 datasources for oracle and 2 data sources for db2 so create 3 datasource names for oracle and 2datasourcename for db2 is possible or not?

1048

When do we go for java 8 stream api? Why do we need to use java 8 stream api in our projects?

969

What is lambda used for?

874

Why HttpServlet class is declared abstract?

1211

What are orm tools?

387

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