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

Core Java Interview Questions

Questions Answers Views Company eMail

Explain about java sdk?

1085

What is meant by javabeans?

1138

Explain the reason behind ending a program with a system.exit(0)?

1140

Explain about class in java?

1167

What is bean? Where it can be used?

1143

Have you ever used hashtable and dictionary?

1071

What is the exact difference in between unicast and multicast object? Where we will use?

1048

When is update method called?

1197

Say any two properties in beans?

1113

In a container there are 5 components. I want to display the all the components names, how will you do that one?

1086

Considering notepad/ie or any other thing as process, what will happen if you start notepad or ie 3 times? Where 3 processes are started or 3 threads are started?

1202

State some advantages of java?

1288

How does thread synchronization occurs inside a monitor?

1188

Explain about the interpreter in java?

1114

What is the difference between menuitem and checkboxmenu item?

1385

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is the use of conditional statement?

1043

What is meant by 'Class access modifiers'?

1097

What is unmodifiable collection in java?

976

Why enumeration is faster than iterator?

997

What is the purpose of the enableevents() method?

1090

Are primitives objects?

1117

What does split function do in java?

1085

A person says that he compiled a java class successfully without even having a main method in it? Is it possible?

1111

What is the difference between normal report & matrix report?

1163

What are instance variables?

1133

What is meant by null and void?

1039

Write a program to reverse a number in java?

1136

What is super?

1260

How many bytes is a char in java?

1061

What is arrays fill in java?

1064

For More Un-Answered { Core Java } Questions Click Here