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clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify ()
toString():
The toString() function given by the java.lang.Object returns a string, which consists of the class name followed by an "@" sign and then unsigned hexadecimal presentation of the hashcode, As Set@162b91. This hexadecimal presentation is not what the users of your class want to see.
clone():
You have to override the clone() method very judiciously. Implementing a properly working clone method is complex and it is rarely used. You are better off providing some alternative defines of object copying or simply not giving the capability. A better approach is to give a copy constructor or a static factory function in place of a constructor.
finalize():
Unlike C++ destructors, the finalize() method in Java is unpredictable, dangerous and usually unnecessary. Use try{} finally{} blocks in Enterprise section. The finalize() method could only be need in rare instances to terminate non-critical native resources or as a safety net.
protected void finalize() throws Throwable {
try{
//finalize subclass state
}
finally {
super.finalize();
Session Bean : is a non-persistent object that provides some business logic running on the server. Session beans do not provide system break down. There are two kinds of session b
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Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-cons
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Object diagrams define instances instead of classes. They are useful for illustrating some complicated objects in detail about their recursive relationships. When
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code for error correction and detection using even odd parity
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Write a program that finds the minimum total number of shelves, including the initial one required for this loading process
Write a Java REST client to perform the following- The client will read the contents of the file - invoice.txt. The first line of the file will display the type of the currency.
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