static methods

static methods

why static methods cannot read or write the instance variables?

View Answers

September 15, 2013 at 2:57 PM

because static methods can only refer static variables[this is because static variables are meant to be constant for all the instances of a class in contradiction with instance variables which are relevant to a specific instance[an object] of a class


Related Tutorials/Questions & Answers:
static methods
static methods  why static methods cannot read or write the instance variables
demonstrate a) static data members b) static methods
demonstrate a) static data members b) static methods  demonstrate a) static data members b) static methods
Why doesn't Java allow overriding of static methods?
Why doesn't Java allow overriding of static methods?  Why doesn't Java allow overriding of static methods
Can we replace main() with static block or with other static methods?
Can we replace main() with static block or with other static methods?  what is the use of public static void main()?can't we achieve the same thing through static block or through other static methods
PHP Static Variable and Methods
PHP Static Methods and Variables: In this tutorial we will study when we should use static methods and variables. Static keyword is used to make only one.... Example of PHP Static Variables & Methods : <?phpADS_TO_REPLACE_2 class
Calling Static Methods Using SpEL
Calling Static Method Using SpEL Spring 3 provides powerful Expression Language which can be used to wire values into beans properties by calling static... will see how to use static method random() of java.util.Math class to wire random
methods  PrintStream class has two formatting methods,what
methods  PrintStream class has two formatting methods,what
methods  PrintStream class has two formatting methods,what
instances of the class. When static is applied to methods, the static keyword...static  what r the main uses of static in java   Hi Friend, The Static means that a certain object/variable is resident in memory
,then use static blocks and without creation of object we need to perform some task,then go for static methods. If we want variables those values will not be changed...Static Concept  in what are all the situation we may use static
Access Static Member Of The Class Through Object
;     Static methods are special type of methods that work without any object of the class. Static methods are limited to calling other static methods in the class and to using only static variables
STATIC  WHAT IS STATIC BLOCK?EXPLAIN , AND WHAT IS THE DIFFERENCE BETWEEN STATIC BLOCK AND STATIC METHOD?   A STATIC block is automatically... between static block and static method: static block will execute when ever
Static  Can i know the real time example for Static method and final variables with defenition? Thank you
static  What is the exact need of declaring a variable as static?   A static variable is a variable who's single copy in memory is shared by all objects,so any modifications to the static variable will modify it's value
redeclare static variable in the inherited class  can we redeclare static variable in the inherited class like this: public class StaticClass1 { class StaticClass1{ static int noOfInstances; StaticClass1
Static variable in java
Static variable in java. Static is a keyword in java used to create static methods, variable inside a class and static class. Static variable is also called class variable which belongs to class not to object. Static
Methods of HttpServlet
Methods of HttpServlet  What are methods of HttpServlet
Java static method
Java static method  Can we override static methods
factory methods in java?
factory methods in java?  what are factory methods in java?   Hi Friend, Factory methods are static methods that return an instance of the native class like Pattern.compile(), Calendar.getInstance
static keyword
and doesn√Ę‚?¨‚?Ęt need any object. Static Methods Static method... variables). 2)A static method can call only other static methods and can not call...static keyword  please give some detail about Static keyword. †
Static Variable
. When static is applied to methods, the static keyword means that the specified...Static Variable  What is the basic use of introducing static variable type in java?Please explain clearly....   The Static means
an instance of a class. Static methods are implicitly final method, since overriding depends on the type of the object, and static methods are attached to a class... Static       Static
static functions
object. Static Methods Static method is the method which belongs to the class... call only other static methods and can not call a non-static method from it. 3.... Static Methods Static method is the method which belongs to the class
Agile methods
Agile methods   Why use Agile methods?   This methods focus on shorter iterations, in which the software is brought to a releasable level of quality fairly often, usually somewhere between weekly and monthly. Short
Static Method in Java
Static Method in Java  Is Overriding Static methods possible in java? If Yes, How
Overloaded methods - Java Beginners
Overloaded methods  Write two overloaded methods that return the average of an array with the following headers: a) public static int average(int[] array) b) public static double average(double[] array)   Hi Friend
native methods
native methods  what is native methods in java?   A native method is a method that is implemented in a language other than Java. The Java native method is a great way to gain and merge the power of C or C++ programming
Functions and Methods
static void findCube(int num[]){ for(int i=0;i<num.length;i...])); } } public static void main(String args[]){ Scanner input=new... static void daysofweek(int dysno){ switch(dysno){ case 1
Functions and Methods
{ public static void decide(int side1,int side2,int side3){ String..."; System.out.println(type); } public static void main(String[] args
Overriding methods
) { System.out.println(""); } } public class Test { public static void
how to inherit static variable
how to inherit static variable   how to inherit static variable or methods in Java?? Please explain the entire process of inheriting the variable. Thanks in advance
Creation of methods
; import java.lang.String;; public class BankClass { public static void main
Final Methods - Java Tutorials
_TO_REPLACE_1 final methods The final method  can be declare as follows: public... as static, final and public are known as named constants. Given below a example of named constant : public class Maths{ public static final double x
Servlet Methods
Servlet Methods In this section we will read about the various methods... methods that are used to initialize a Servlet, handles the request received..., the Servlet methods are called life-cycle methods of Servlet. Following
validate() and reset() methods
validate() and reset() methods   Describe validate() and reset() methods
Various methods of httpservletresponse interface
Various methods of httpservletresponse interface  What are the various methods of httpservletresponse interface
static in java
static in java  what is the need to go static? what use
Static method
Static method  what is a static method?   Have a look at the following link: Java Static Method
methods type - Java Beginners
methods type in Java  Give me an example programs of methods types in Java
static method
static method  Give some absolute examples and definition for static method also
ModuleNotFoundError: No module named 'methods'
ModuleNotFoundError: No module named 'methods'  Hi, My Python... 'methods' How to remove the ModuleNotFoundError: No module named 'methods... to install padas library. You can install methods python with following command
Cookie methods in jsp
Cookie methods in jsp   Define cookie methods in jsp ?    Cookie methods : clone() getComment() getDomain() getMaxAge() getName() getPath() getSecure() getValue() getSecure() getVersion
java object class methods
java object class methods  What are the methods in Object class?  There are lots of methods in object class. the list of some methods are as- clone equals wait finalize getClass hashCode notify notifyAll
GET and POST methods
GET and POST methods   What are the differences between GET and POST methods in form submitting, give the case where we can use GET and we can use POST methods
static keyword
static keyword  Hii, In which portion of memory static variables stored in java. Is it take memory at compile time? thanks deepak mishra
Java overloaded methods
Java overloaded methods  Can overloaded methods can also be overridden
abstract methods in java
abstract methods in java  what is abstract methods in java.give better examples for understanding   Hi Friend, Please visit the following link: Thanks
Java :Thread Methods
Java :Thread Methods This section explains methods of Thread class. Thread Methods : Thread class provides many method to handle different thread operations. Here we are defining some of them - ADS_TO_REPLACE_1 static int