diffrence between oracle apps , .NET , SAP

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what is the main usage of an abstract keyword?please follow the program class A { void display() { System.out.println("hai"); } void print() { } } class B extends A { void print() { System.out.println("Hello"); } } In this program i was gives the implementation of print() according to my requirements in subclass.And there is no definition in superclass then why we can use abstract keyword before a method that i want to gives definition in other classes,is any mistakes in the above usage of method?

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Explain polymorphism. Provide an example.

0 Answers   Amazon,

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what are partial classes. Where is the entry point of partial classes.

1 Answers   Satyam,

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what is throws keyword

1 Answers   IBM,

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Q1.Write a C program which asks the user for a number between 1 to 9 and shows the  number. If the user inputs a number out of the specified range, the program should  show an error and prompt the user for a valid input.

0 Answers  

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how we can connect applet with database?

1 Answers  

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How you ll create customizing Tcode.

1 Answers   IBM,

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how to stop execution of step 3 in a job mainframe

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You are given a dictionary of all valid words. You have the following 3 operations permitted on a word: delete a character, insert a character, replace a character. Now given two words - word1 and word2 - find the minimum number of steps required to convert word1 to word2. (one operation counts as 1 step.)

0 Answers   Amazon,

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Outline the two important features of a terminating recursion. Any ideas?

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what is delimiter in sas ?

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