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What is numeric promotion?
Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place. In numerical promotion, byte, char, and short values are changed to int values. The int values are also converted to long values, if essential. The long and float values are converted to double values, as required.
Authentication is basically an identification step. Functionality used for J2EE security: Principal : An entity that may be authenticated and identified. Principal n
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Project Description: I wish to prepare a Web server which provides subsequent Web Services. 1. User login 2. User input data store to server 3. User fetches results fro
What are the conditions for exiting the while loop?
Give an example for Passing Arguments to Methods ? class Car { String licensePlate = ""; // e.g. "New York 543 A23" double speed = 0.0; // in kilometers per h
Explain the concept of Multi-Threaded- JAVA Java has a concept of concurrency wired right in to the language itself. This works out more cleanly than languages where concur
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What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
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