Dynamic « JComboBox « Java Swing Q&A

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1. Dynamic JComboBoxes    stackoverflow.com

I have following data (String): 

Course1: A1
Course1: A2
Course2: B1
Course2: B2
Course2: B3
Course2: B4
Course3: C1
Course3: C2
I would like to make 2 JComboBox (JComboBox1, JComboBox2) JComboBox1 is Containing Course1,Course2,Course3. When I select, say, Course2 from JComboBox1 =>B1,B2,B3,B4 ...

2. What is the simplest way to implement a dynamic ComboBox using Java and/or Swing?    stackoverflow.com

I need to create a combo box that can be modified by the user on the fly. I was able to do this in the android environment (Swing ComboBoxes seem to ...

3. new Object.getClass()    stackoverflow.com

Is there a way to make a new Object of the type of another? Example: 

Soldier extends Person
Accountant extends Person
Each subclass of Person has a constructor that accepts (BirthDate and DeathDate) I have ...

4. Problem in Java Swing dynamic JComboBox    stackoverflow.com

I have populated a combobox B1 from database and when on itemStateChanged Listener I have populated another combo box B2.but its not working.I dont knw where the problem occur???? I really need ...

5. Dynamic JComboBox    coderanch.com

You need something like this? import java.awt.*; import java.awt.event.*; import javax.swing.*; class Group1Model extends DefaultComboBoxModel { public Group1Model() { for( int i = 0; i < 10; ++i ) { addElement( "First(" + (i+1) + ")" ); } // for } // Group1Model } // class Group1Model class Group2Model extends DefaultComboBoxModel{ public Group2Model( String value ) { loadModel( value ); } ...

6. Dynamic JComboBox Help    coderanch.com

Sorry... I posted there first, because I couldn't get to the Java Ranch site when I had this problem. Is there something wrong with getting mutiple opinions on a problem? Java Ranch is always my first choice for getting help with programming problems, as I've been helped several times here -- I just coudn't get to the site the other day. ...