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Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho
What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract
What are the advantages of multimedia presentations? Write any five. Multimedia presentation is a excellent tool for effective communication: Advantages: 1. Easy to make l
Differentiate between onLoad and onUnload? Onload executes the particular javascript code when a latest document is loaded into a windows. ONUnload executes he particular javas
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#questionSmugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they
Describe the concept of Encapsulation Encapsulation is a technique which is used for hiding properties and behaviors of an object and allowing outside access only as appropria
1. De normalizes your tables where required. 2. Proper use of index columns: An index based on numeric parts is more efficient than an index based on character columns. 3. Re
The File class encapsulates the files and directories of the local file system. The RandomAccessFile class gives the methods required to directly access data contained in any part
The Web container is used for managing the servlet's life cycle. The Web container produces an instance of the servlet and then the container invokes the init() function. At the co
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