Answer / kabita

Casting is used to convert the value from one datatype to
another datatype

Answer / vijayakumar chinnasamy

Casting mostly used for converting value from one data type
to another data type.Mostly used for convert incompatible
data.

eg:

WRRONG
long a=20; // a is 64bit(long) data
int b=10; // b is 32 bit data.
b=a; // u r trying to assign 64bit data into 32 bit data

CORRECT
long a=20; // a is 64bit(long) data
int b=10; // b is 32 bit data.
b=(int)a; // ur converting 64bit data into 32bit data
then assign to variable b.

Answer / janet

Casting is used to convert the value of one type to another

The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }

4 Answers   Ness Technologies, TCS,

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If an object is garbage collected, can it become reachable again?

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List out benefits of object oriented programming language?

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Can we extend the String class?

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what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)

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How java is platform independent?

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Infinite loop using while ?

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What is hashset in java?

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What is the difference between reader/writer and inputstream/output stream?

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What is the minimum and maximum length of an identifier?

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transaction attributes ?

2 Answers  

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