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Forum updates on "What is a Null object"

Making objects wait/threads return objects
I'm writing a client/server application and at one point the clientprogram has to connect to the s...
JTable based on objects not updating when object values are changed
The way my program works is:1. Create Object[][] of cell values (all Strings) from a list ofPr...
Object library invalid or contains references to object def
this is the error I'm getting."OBJECT LIBRARY INVALID OR CONTAINS REFERENCES TO OBJECT DEFINITION...
can anyone tell me why I am getting this error
exception in thread "main" java.lang.NoClassDefFoundError:TextPadTest/classpublic class TextPa...
I am using .write("")
I have to write a .txt file row per rowI am usingFile outputFile = new File("prova.txt");FileW...
I need to hide the URL parameters I am using within JSPs
I am a J2EE developer who is using Servlets and JSPs in my project.I need to get a method (Clien...
I am facing problem when exporting report using iReport 3.5.0
Kindly help me.I am using jasper iReport 3.5.0 tool to generate report. When i compile the repor...
experienced with Win XP Pro, but I am thinking about changing over to Linux
I am reasonably experienced with Win XP Pro, but I amthinking about changing over to Linux in ord...
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Article updates on "What is a Null object"

Program to show an example of creating a String object from a StringBuffer Object
A Java Program to show an example of creating a String object from a StringBuffer Object.
Program to show insertion of StringBuffer, String objects and other Basic Data Types into a Strin
A Java Program to show insertion of StringBuffer, String objects and other Basic Data Types into a S...
Program to show an example of extraction of characters from a StringBuffer objects
A Java Program to show an example of extraction of characters from a StringBuffer objects.
Program to change characters in a StringBuffer objects and to reverse its contents
A Java Program to change characters in a StringBuffer objects and to reverse its contents.
Program to declare, initialize and print a StringBuffer object
A Java Program to declare, initialize and print a StringBuffer object.
Program to show some properties of StringBuffer object
A Java Program to show some properties of StringBuffer object.
Program to append a StringBuffer by StringBuffer, String objects and other Basic Data Types
A Java Program to append a StringBuffer by StringBuffer, String objects and other Basic Data Types. ...
Program to show the projection of 3D objects using General Perspective Projection
Write a program to show the projection of 3D objects using General Perspective Projection.
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Video updates on "What is a Null object"

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Interview FAQ updates on "What is a Null object"

Why am I getting an InvalidOperationException when I serialize an ArrayList?
XmlSerializer needs to know in advance what type of objects it will find in an ArrayList. To specify...
What is Null Graph in dfs (data file structure)?
A graph containing only isolated nodes is called null graph.
Which of the following can be used to identify the objects in object-oriented design?
Optionsa) Textual analysisb) Data flow diagramc) Both a and bd) None of the aboveAnswe...
EXAMINING OBJECTS CREATED BY A USER
EXAMINING OBJECTS CREATED BY A USER SELECT * FROM TAB;
In which object does Delphi place its SQL?
In which object does Delphi place its SQL?In the TQuery object.
What are some database objects?
Tables, indexes, synonyms, clusters, views.
Which is NOT true about function objects?
Optionsa) The class, which creates a function object, contains only one overloaded operator() fu...
Which object-oriented relationship can provide this information?
Let us assume that there are two classes, namely M and N. Consider the following statement:M calls...
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