What is currentThread()?

Java Programming Language > Multithreading in java > About Java Tutorial

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Answer:

It is a public static method used to obtain a reference to the current thread.

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211. Explain main thread under Thread class execution?

Answer: The main thread is created automatically and it begins to execute immediately when a program starts. It ia thread from which all other child threads originate.

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Question: Multithreading in java Short

212. Life cycle of an applet includes which steps?

Answer: Life cycle involves the following steps ?

Initialization
Starting
Stopping
Destroying
Painting

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Question: Applet Programming Short

213. Why is the role of init() method under applets?

Answer: It initializes the applet and is the first method to be called.

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214. Which method is called by Applet class to load an image?

Answer: getImage(URL object, filename) is used for this purpose.

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Question: Applet Programming Short

215. Define code as an attribute of Applet?

Answer: It is used to specify the name of the applet class.

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Question: Applet Programming Short

216. Define canvas?

Answer: It is a simple drawing surface which are used for painting images or to perform other graphical operations.

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217. Define Network Programming?

Answer: Network programming refers to writing programs that execute across multiple devices (computers), in which the devices are all connected to each other using a network.

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Question: Fundamentals of Object-Oriented Programming Short

218. What is a Socket?

Answer: Sockets provide the communication mechanism between two computers using TCP. A client program creates a socket on its end of the communication and attempts to connect that socket to a server.

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Question: Fundamentals of Object-Oriented Programming Short

219. Advantages of Java Sockets?

Answer: Sockets are flexible and sufficient. Efficient socket based programming can be easily implemented for general communications. It cause low network traffic.

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Question: Fundamentals of Object-Oriented Programming Short

220. Disadvantages of Java Sockets?

Answer: Socket based communications allows only to send packets of raw data between applications. Both the client-side and server-side have to provide mechanisms to make the data useful in any way.

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Question: Fundamentals of Object-Oriented Programming Short

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