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400 Java Interview Questions(251-300)

251 What is meant by event handling ?
252 What are all the listeners in java and explain ?
253 What is meant by an adapter class ?
254 What are the types of mouse event listeners ?
255 What are the types of methods in mouse listeners ?
256 What is the difference between panel and frame ?
257 What is the default layout of the panel and frame ?
258 What is meant by controls and types ?
259 What is the difference between a scroll bar and a scroll panel.
260 What is the difference between list and choice ?
261 How to place a component on Windows ?
262 What are the different types of Layouts ?
263 What is meant by CardLayout ?

264 What is the difference between GridLayout and GridBagLayout
265 What is the difference between menuitem and checkboxmenu item.
266 What is meant by vector class, dictionary class , hash table class,and
267 property class ?
268 Which class has no duplicate elements ?
269 What is resource bundle ?
270 What is an enumeration class ?
271 What is meant by Swing ?
272 What is the difference between AWT and Swing ?
273 What is the difference between an applet and a Japplet
274 What are all the components used in Swing ?
275 What is meant by tab pans ?
276 What is the use of JTree ?
277 How can you add and remove nodes in Jtree.
278 What is the method to expand and collapse nodes in a Jtree ?
279 What is the use of JTable ?
280 What is meant by JFC ?
281 What is the class in Swing to change the appearance of the Frame in
284 What is JDBC ?
285 How do you connect to the database ? What are the steps ?
286 What are the drivers available in JDBC ? Explain
287 How can you load the driver ?
288 What are the different types of statement s ?
289 How can you created JDBC statements ?
290 How will you perform transactions using JDBC ?
291 What are the two drivers for web apllication?
292 What are the different types of 2 tier and 3 tier architecture ?
293 How can you retrieve warning in JDBC ?
294 What is the exception thrown by JDBC ?
295 What is meant by PreparedStatement ?
296 What is difference between PreparedStatement and Statement ?
297 How can you call the stored procedures ?
298 What is meant by a ResultSet ?
299 What is the difference between ExecuteUpdate and ExecuteQuery ?
300 How do you know which driver is connected to a database ?
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