Share on Google+Share on Google+

pathan jilani
reference
0 Answer(s)      5 years and 9 months ago
Posted in : Java Beginners

hi i have one doubt

i wrote 2 classes student and person. in that i have only one methos with same name show(). these two classes are independent meaniig no inheritance or any thing.

i wrote another class with name Sample(main()) in that i create 2 objects.

in that i want to store object reference of student into person can do like this or any other alternative

Student st=new Student(); Person p=new Person(); p=(Person)Student; p.show();

what mistake i have done in this can u please assist me

regard

jilani

Ads

View Answers









Related Tutorials/Questions & Answers:
reference
reference of student into person can do like this or any other alternative Student
by value or by reference
by value or by reference  Are objects passed by value or by reference
Advertisements
Java reference
Java reference  What is weak reference in Java
appdelegate reference
appdelegate reference  Hi, How to get the reference of appdelegate in my view controller class. Thanks.   Hello Friend, Following code example show how to get appdelegate reference anywhere in your iPhone/iPad
cross reference
cross reference   hi everbody as i got a problem and i have no idea the problem that i need to create a cross reference map for a Java source file... generation of the cross-reference map. Finally, the cross-reference map is output
pointer to a reference
pointer to a reference  pointer to a reference in C++    #include <iostream> using namespace std; void foo1(int& x) { int* p = &x; *p = 123; } void foo2(int* x) { int
pointer to a reference
pointer to a reference  pointer to a reference in C++    #include <iostream> using namespace std; void foo1(int& x) { int* p = &x; *p = 123; } void foo2(int* x) { int
Is Java pass-by-reference?
Is Java pass-by-reference?  Is Java pass-by-reference
pass method reference in java
pass method reference in java  How to pass method reference in Java
Are objects passed by value or by reference?
Are objects passed by value or by reference?  Are objects passed by value or by reference
Java interface reference
Java interface reference  When can an object reference be cast to an interface reference
Declare Reference variable
Declare Reference variable   class A { int a; //instance... is shared. I just want to ask if we declare Reference variable above then what does...?? (Generally we used to declare reference variable in main method at the time
Reference passing in java
Reference passing in java  plz tell me wat d meaning of refernce in java? for example : Class M(){ N n; } Class N(){ } wats dis meaning
Pass by Reference - Java Beginners
by Reference?can u please explain with examples.is java supports Pass by reference...(i); display(i); } } Pass By Reference: It refers to pass an object...); } } Java programming language does not pass objects by reference
call by reference - Development process
cannot change the caller?s reference variables, i.e. make them point to different...); } } -------------------------------------------- call By Reference When you call a method by reference, the callee sees... call by reference. Java always uses call by value. import java.awt.*; public
JSF core Tag Reference
JSF Core Tag Reference          This section is dedicated to make you understand about JSF Core Tags. All these core tags are contained in JSF Core Tag Library
difference between hashcode,reference in java
difference between hashcode,reference in java  difference between hashcode,reference in java
Object reference not set to an instance of an object
Object reference not set to an instance of an object  Object reference not set to an instance of an object
Struts Reference
Struts Reference Welcome to the Jakarta Online Reference... Project. Here we are providing you detailed Struts Reference. This online struts reference covers Struts Model-View-Controller (MVC) concepts, configuring and using
XML error message: The reference to entity
XML error message: The reference to entity   XML error message: The reference to entity "ai" must end with the ';' delimiter. Im getting this error when i gotta edit my blogger template Please advice manjunath
Reference Data Types
In this section we will discuss about Reference Data Types in Java 7
pass by value /reference - Java Beginners
pass by value /reference  hello sir/mam, i know pass by value is a primitive type in java. what about pass by reference in java ? .. For object type pass by value is used or pass by reference is used ? pls give me a example
java call by reference - Java Beginners
by reference. if yes give me the full description with example and if no then also... you call a method by reference, the callee sees the caller?s original variables... affect the caller?s original variables. Java never uses call by reference. Java
PHP Call By Reference
PHP Call By Reference: In PHP we can pass reference of a variable, so that we... values from where we have sent. It is much like the call by reference, in which we... function. PHP Call By Reference Example: <?php function swap(&
Null reference error in javascript function?
Null reference error in javascript function?  ?° want to use this code but when the page opens, I get a null reference error. When I open the page a second time, this error doesn't occur. I understand when the site caches
RetDAO.java (part1) ..reference. Is this logic good?
RetDAO.java (part1) ..reference. Is this logic good?  public static int searchDelete(Connection conn,String ret_id) throws Exception { //System.out.println(ret_id); st=conn.createStatement
RetDAO.java (part1) ..reference. Is this logic good?
RetDAO.java (part1) ..reference. Is this logic good?  public static int searchDelete(Connection conn,String ret_id) throws Exception { //System.out.println(ret_id); st=conn.createStatement
The ref in Spring, Reference Injection
Reference Injection In the reference injection one bean definition is injected to another. For reference injection you use the constructor-arg or property... into the second bean definition by reference using the property element's ref
PHP Object Reference
that the terms object and reference is interchangeable. Now we must know what is actually an object and what is a reference. Whenever an object is instantiated... or identifier which refers to that memory chunk is called a reference. But in general
Call-time pass-by-reference has been removed in
Call-time pass-by-reference has been removed in  HI, What is the solution for the error: Call-time pass-by-reference has been removed in Thanks
difference between the obj and reference - Java Beginners
difference between the obj and reference  what is the difference between object and reference ? is there any difference
Tutorials   
Java Spring Hibernate Struts Training What does core Java include? java What are some way to learn Java quickly? Is it required to learn Java before learning Java Script? Is it necessary to learn java script before learning PHP? Are HTML5 and Java Script boosts Java career? Is Java object oriented? Fingerprint application with Java Uninstall Oracle Virtual Box JSON to HashMap Free Java online Training I want example of Control Statement in Java ANSI Color Codes with Python Create a Program that Calculates Input What is difference between JDK,JRE and JVM? How to see ubuntu version on server? How to get Page Source in Selenium (WebDriver) using Java? The path to the driver executable must be set by the webdriver.gecko.driver system property parse data from a link in java Java Program Qns using BlueJ How to fix HAX Kernel Module Is Not Installed error? Installing Audacity Looking for code Logic to check track changes & Coments in MSWord, MSWordx, MSExcel, MSExcelx is ON/OFF Installing JDK on Mac SAX Parser exception ERROR 601 (42P00): Syntax error. Encountered Thread java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileItemFactory How to install Ubuntu 16.04 LTS? HttpServletRequest cannot be resolved to a type in eclipse - Solved Unhandled event loop exception GC overhead limit exceeded Spring Data jpa with apache phoenix Caused by: java.lang.IllegalArgumentException: Not a host:port pair: PBUF o.a.h.h.z.RecoverableZooKeeper - Possibly transient ZooKeeper, quorum= com.thinkaurelius.titan.diskstorage.hbase.HBaseStoreManager class not found com.thinkaurelius.titan.diskstorage.hbase.HBaseStoreManager not found How to download and install Java 8 on Windows? How to uninstall JDK 7? How to install gtk-doc-tools package in Ubuntu? How to install Oracle JDK 8 on Ubuntu? ejabberd_ctl.beam not found - Solved How to convert date to UTC format in Java? How to install autoconf, automake and libtool in Ubuntu 15.10? How to convert current date to mm dd yyyy format in Java? How to convert current date to dd mm yyyy format in Java? How to stop window closing in "internalFrameClosing" event. How to find list of all index in Neo4j? neo4j-server.properties file location SASLError using PLAIN: not-authorized how to convert war file into .exe file using java code

Ads

 
Advertisement null

Ads