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Explain garbage collection.
Java uses garbage collection to free the memory. By cleaning those objects which is no longer reference by any of the program. Step involve in cleaning up garbage collection:
Garbage Object Collection: first step is to collect and group all those object which are no more reference with any of the program. We can use different methods to collect garbage object like using runtime.gc() or system.gc().
Run Finalize method: To free up those object that is collected by garbage collector java should execute the Finalize method to delete all those dynamically created object.
What are the difference between throw and throws? Differences are between throws and throw are: Throw is employed to trigger an exception while throws is used in declara
Explain Booleans in java? Booleans are named after George Boole, a nineteenth century logician. Every boolean variable has one of two values, true or false. These are not the s
To simplify complex class diagrams you may group classes into packages.
Define testing with respect to programming? Testing is the process through that we try to determine the presence defects in a program. Testing is an significant step in soft
Need to develop a 3D rolling alarm clock (Android) Project Description: I want an android app as 3D rolling alarm clock It should have sound effect when setting the alarm
Write a program called Grid. The program starts by prompting (asking) the user for the name of an input text file. This file is guaranteed to be correct and has the following fo
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
Super() Constructer: It is used to call constructor of parent class. Should be the first statement in the body of constructor. Using this we can access private variables
Write a program that uses one of the Map classes to implement a contact list. Contact information should include first name, last name, a phone number and an email address. The lis
1. RUP is relying on a few important principles and philosophies like planning ahead, knowing where the process is capturing and heading the project in extensible and storable mann
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