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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.
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.
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
Explain term Literals in java? Literals are pieces of Java source code which mean exactly what they say. For example "Hello World!" is a String literal and its meaning is the w
When is AlreadyBoundException thrown and by which method? Ans) AlreadyBoundException is thrown by bind(String name) method when a remote object is already registered with the re
1.) Write an application with two user transactions (login which includes viewAllStudents and viewStudent ) with full MVC architecture that displays the details of the selected
Explain function system.arraycopy() ? Although copying an array isn't particularly hard, it is an operation that advantages from a native implementation. Thus java.lang.System
what is java
Question 1: a) What is an "Operating System"? b) Describe the four main computer system components. c) Describe and compare "Parallel Systems" and "Distributed Systems
GOALS 1. Use abstract classes in the correct programming context. 2. Evaluate and use a variety of data structures. 3. Design, evaluate and implement efficient alg
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