diff between abstract methods and interfaces with programing (code) example?

2 Answers  

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How will you measure that int takes up only 32 bits in memory?

2 Answers   Rolta,

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What is the difference between JDBC 1.0 and JDBC 2.0?

0 Answers   Corent Technology,

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What is the default value of local and global variables?

0 Answers  

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What is nullpointerexception in java?

0 Answers  

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In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

4 Answers   Kanbay,

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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 an example of declaration?

0 Answers  

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What is the difference between Java Bean and Java Class.?

2 Answers  

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What are the differences between throw and throws?

0 Answers  

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What is OOPs & Why?

3 Answers  

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What is the difference between jdk, jre, and jvm?

0 Answers  

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