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What is the main difference between input, output stream?
james_stone
- Mar 31st, 2006
streams are the rooted ,specific connections between the source and aplication.input stream are the connection between source to application and vise varsa.the input stream and outputstream aer the s...
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A Inner class is defined in a parameterized function of outer class then the inner class is able to access the parameters of that function?
Inner class can access the parameters if the parameters are final
Preeti Yadav
- Apr 20th, 2006
The inner class cannot access the parameters of the function in which it defined, unless the keyword "final" is not used with them.
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How to access Blob and Clob data values from oracle thru java?
sbarik
- Apr 24th, 2006
U can do this by using the methodsgetBlob(int i),getBlob(String col),getClob(int i),getClob(Strin col)of the ResultSet
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Which one do you prefer between methods of loading and registering a driver ..?
we have got two methods of loading and registering a driver. i would like to know which one could be preferable class.forName(sun.jdbc.odbc.JdbcOdbcDriver) or Driver d= new Driver(sun.jdbc.odbc.JdbcOdbcDriver) Driver Manager.register Driver(d) ?
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What is differnce between byte code and unicode?
uafshahid
- May 1st, 2006
Byte code is simply the converted source code into arrays of bytes and generated after compilation of source code and is understandable only for interpreter or you can say java run time environment.Un...
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How can we create an immutable class?
sbarik
- Jun 20th, 2006
Make a class immutable by following these guidelines : always construct an object completely, instead of using a no-argument constructor combined with subsequent calls to setXXX methods do not provide...
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How to create the object to the anonomous class
vsolanke
- Aug 13th, 2006
Anonymous classes are classes that don?t have a name (hence the term anonymous). Because they don?t have a name, there is no way to refer to them. For this reason, their declaration must be given at c...
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Why statement a = a++; gives different output in C++ and java ?
Because C++ solve postfix ++,-- after assignment (=) operator.
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Why statement printf("%d%d%d",++a,a,a++) in C and = a++; System.out.printf("%d%d%d",++a,a,a++) in Java gives different output?
Because in C++ function argument associativity is right to left but in java it is left to right
sujatham
- Aug 3rd, 2007
yes.postfix operator in java have left-to-right associativity.But in C postfix operator have right-to-left associativity.
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What is the purpose of an anonymous class and what is the realtime usage of this.
sujatham
- Aug 3rd, 2007
Classes are usually first defined and then instantiated using the new operator. Anonymous classes combine the process of definition and instantiation into a single step. Anonymous classes are defined ...
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What is the difference between ceil() and floor().
sujatham
- Aug 3rd, 2007
static double ceil(double d) The method ceil() returns the smallest double value that is greater than or equal to the argument d, and is equal to a mathematical integer.static double floor(double d) T...
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How does JVM help to achieve platform independence
Ashwinshenoy7
- May 9th, 2011
JVM means Java Virtual Machine. Java has been designed in such a way that makes it platform independent and can work on any type of operating system and platform provided JVM is installed in it.So, co...
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Path and classpath
What is the main difference between path and classpath in java language?
gadhiaharsh
- Jul 23rd, 2011
Hi friends, here's an answer for the question PATH defines where exactly the complier should find the tools to compile and run the java programs. CLASSPATH defines where exactly the classes required...
Core Java Interview Questions
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