simple strategy pattern example in java

simple strategy pattern example in java

http://tutiez.com/simple-strategy-pattern-example-in-java-strategy-design-pattern.html

Template method design pattern example in java

Template method design pattern example in java can be found at

tutiez.com/template-method-pattern-with-example-in-java.html

Step by step guide to install and run ubuntu 12.04 LTS inside Virtualbox

www.mobitechie.com/virtualbox/how-to-install-and-run-ubuntu-12-04-lts-inside-virtualbox/

difference between comparator and comparable in java

Difference between comparator and comparable in java

Very good explanation about Difference between comparator and comparable in java can be found at

http://tutiez.com/what-is-the-difference-between-comparator-and-comparable-in-java.html

Enum in java

Complete article explaning
Enum in java
Enum examples
Ordinals in enum
Enum serialization

tutiez.com/enum-in-java-with-java-enum-examples.html

InputVerifier problem.(javax.swing.InputVerifier)

Problem with showing Message Dialog in InputVerifier -
1. It goes in a recurring loop
2.Shows StackOverflowError
It results in showing error message dialog in a recurrsive loop, Here is the solution to avoid it.
Solution :
boolean verified = false;
public boolean verify(JComponent input){
if (verified) {
return false;
}
verified = true;
JTextField sampleT= (JTextField) input;
if(sampleT.getText().equals("Exit")){
verified = false;
return true;
}else{
JOptionPane.showMessageDialog(source,"Can't leave.", "Error Dialog", JOptionPane.ERROR_MESSAGE);
verified = false;
return false;
}
}

Fun side

"If debugging is the process of removing bugs, then programming must be the process of putting them in." --- Edsger Dijkstra

"Any sufficiently advanced bug is indistinguishable from a feature." --- Bruce Brown