Does anyone still use java?

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1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

2 Answers   TCS,

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What is a percentage sign called?

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what is the use of finalize()Method please explain with an example

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Describe the process as to how substring() methodology mechanisms in java.

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What is emant by API? is it related to java only or it is common for all OOPS supporting language?

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What is parsing and its types?

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1.) if we use "private" in place of "public" in public static void main()... 2.) if we use "int" in place of "void".... 3.) can we ommit "static" keyword from that statement.... 4.) also can we give the command line arguments type as int type or float,etc.(.i.e (string args[]))

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What environment variables do I need to set on my machine in order to be able to run java programs?

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What is the biggest integer?

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When we serialize an object does the serialization mechanism saves its references too?

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What is exception and error? and what is the difference between them?

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