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The non-final functions are clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final functions and therefore cannot be overridden.
The hashCode() and equals() methods have to be very important, when objects implementing these two functions are added to collections. If not implemented or implemented incorrectly at all then your objects added in a collection like a Set, Map or List can behave strangely and also is hard to debug.
Relate Java with C/C++ Very similar C/C++ syntax, operators, etc. Core language is simpler than C++ -- no pointers, no operator overloading, and no multiple inheritance.
EJB 2.x is broadly adopted server side component architecture for J2EE. 1. EJB is a remote, distributed multi-tier system and allows protocols like IIOP, JRMP, and HTTP etc.
Application or website to upload DICOM files from CD to Drop box etc Project Description: I need a website code or application to make patients put a cd or DVD to their disk
Explain the uses of JVM verifier The JVM "verifier" checks the code when it's loaded to verify that it has the correct structure --that it does not use an uninitialized pointer
What should be public? What should be private? As a rule of thumb: Classes are public. Fields are private. Constructors are public. Getter and setter methods
What is Arithmetic promotion assignment and casting? In an assignment statement, i.e. if there's an equals sign, Java compares the type of the left hand side to the at last typ
what is multithreading in Java? Explain with example.
Explain Choosing Font Faces and Sizes in java AWT packages? Choosing a font face is simple. First you create a new Font object. Then you call g.setFont(Font f). To instantiate
For what purposes FTP is used in networks? FTP is known as file transfer protocol it is basically used to download or upload files / data to a remote computer.
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
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