os is developed in c no java is more secured then c na why dont the os developed is developed using java

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What is difference between adapter class and listener?

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What is meant by method overriding?

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what value will be return by the read() method once it reaches the end-of-file? a. Throws EOException b. Return null c. Return -1 d. Read method return nothing, because it is void method

1 Answers  

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Outline the major features of 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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Can we return null in java?

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Is vector thread safe in java?

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What does java edition mean?

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what is the need of the Ajax?

5 Answers   iFlex,

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Should you use singleton pattern?

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What is difference between equal and == in java?

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