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 Related Questions The null value is not a keyword. Latest Answer : ...true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.[1][1]:http://java.sun.com/docs/books/tutorial/java/nutsandbolts/_keywords.html ... The readLine() method returns null when it has reached the end of a file. Latest Answer : readLine() method of BufferReader class returns String and when it reaches the end of file file it returns null. ... The default value of an String type is null. Latest Answer : We use overriding when method avaliable in super class doesnot satisfyour requirement.That is To extend the alreadyavailable feature wew use overloading.If we require the new functionality other than, what we already have we go for Overriding. ... The Dictionary class provides the capability to store key-value pairs. Latest Answer : run this file, i think result will itself explain you the use of LOG4J. otherwise mail me ritesh.patni@gmail.com :- package com.banking.log4j; import org.apache.log4j.*; import com.lnt.banking.constant.ConstantIf; public class ... During compilation, the values of each case of a switch statement must evaluate to avalue that can be promoted to an int value. A static variable is associated with the class as a whole rather than with specific instancesof a class. Non-static variables take on unique values with each object instance. Latest Answer : Static variables belongs to class only they have no relation to object. They allocate memory when class is loaded at run time. That's why we can call them by the name of class variables. Non-static variables belongs to object. They allocate ... The abs() method is used to calculate absolute values. There are two types of casting, casting between primitive numeric types and castingbetween object references. Casting between numeric types is used to convert largervalues, such as double values, to smaller Latest Answer : By definition, Casting is the way of converting one data type into another. ... How is it possible for two String objects with identical values not to be equalunder the == operator How is it possible for two String objects with identical values not to be equalunder the == operator The == operator compares two objects to determine if they are the same object inmemory. It is possible for two String objects to have the same value, but locatedindifferent areas of memory. The left operand is an object reference or null value and the right operand is a class,interface, or array type.
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