Answer Posted / amit beriwal

forName

public static Class forName(String className)
throws ClassNotFoundException

Returns the Class object associated with the class or
interface with the given string name. Invoking this method
is equivalent to:

Class.forName(className, true, currentLoader)


where currentLoader denotes the defining class loader of
the current class.

For example, the following code fragment returns the
runtime Class descriptor for the class named java.lang.Thread:

Class t = Class.forName("java.lang.Thread")


A call to forName("X") causes the class named X to be
initialized.

Parameters:
className - the fully qualified name of the desired
class.
Returns:
the Class object for the class with the specified name.
Throws:
LinkageError - if the linkage fails
ExceptionInInitializerError - if the initialization
provoked by this method fails
ClassNotFoundException - if the class cannot be located

Source:-http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Class.html#forName%28java.lang.String%29

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