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Archive for 'Java Interview Questions' Category

Core Java Interview Questions

11 October 2006

1.what is a transient variable?

A transient variable is a variable that may not be serialized.

2.which containers use a border Layout as their default layout? 

The window, Frame and Dialog classes use a border layout as their default layout.

 

3.Why do threads block on I/O? 

Threads block on i/o (that is enters the waiting state) so that other threads […]

Java Beans Interview Questions

2 July 2006

QUESTION: What is a JavaBean?

ANSWER: JavaBeans are reusable software components written in the Java programming language, designed to be manipulated visually by a software develpoment environment, like JBuilder or VisualAge for Java. They are similar to Microsoft’s ActiveX components, but designed to be platform-neutral, running anywhere there is a Java Virtual Machine (JVM).

QUESTION: […]