Java Interview Question Paper Set-3

| Tuesday 14 June 2011

1.What is the difference between an Abstract class and interface?
2.What is user defined exception?
3.What do you know about her garbage collector?
4.What is the difference between java and c++?
5.In an HTML form I have a button which makes us to open another page in 15 seconds. How will you do this ?
6.What is the difference between process and threads?
7.What is update method called?
8.Have you ever used Hash table and Directory?
9.What are statements in Java?
10.What is a JAR file?
11.What is JNI?
12.What is the base class for all swing components?
13.What is JFC?
14.What is the difference between AWT and Swing?
15.Considering notepad/IE or any other thing as process, what will happen if you start notepad or IE
three times? Where three processes are started or three threads are started?
16.How does thread synchronization occur in a monitor?
17.Is there any tag in HTML to upload and download files?
18.Why do you canvas?
19.How can you know about drivers and database information?
20.What is serialization?
21.Can you load the server object dynamically? If so what are the three major steps involved in it?
22.What is the layout for toolbar?
23.What is the difference between Grid and Gridbaglayout?
24.How will you add panel to a frame?
25.Where are the card layouts used?

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