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How get data from combobox in Netbeans?

How get data from combobox in Netbeans?

Object selectedItem = comboBox. getSelectedItem(); if (selectedItem != null) { String selectedItemStr = selectedItem. toString(); Foo(selectedItemStr); // Some method that takes a string parameter. }

How do I convert a JFrame to another frame?

In a package in Netbeans I created two JFrame Forms, first one is Login, second is, mainProgram, after the successful log in, I use the following way to “close” the Login frame and open the main program frame.

How do I navigate from one Jframe to another in swing?

Suppose, we have added two jFrame and want to open another jframe through existing jframe’s button’s click event. Suppose, First is ‘TestJFrame’ and second is ‘Second_Jframe’. Both contains same packages. So the point is, we want to open it through button’s press and back to first through second jframe’s button press.

How do you link two frames in Java?

Just create another class, let us say FrameMananger, then use the singleton pattern to manage them. Then in any class, you can use FrameManager. getFrame1() to get the frame1, same as the frame2. You can add logic judgement inside, like dynamically dispose some frame or only create them when needed.

How do I link one Java program to another?

Now, since both are java classes you can just call methods of one class from another directly. If however your really mean that 2 classes are independent programs, so that each one has its own main method you can run one application from another using either Runtime. getRuntime(). exec(…) or using ProcessBuilder .

How do you create a JFrame in Java?

Create a Simple Window Using JFrame

  1. Import the Graphical Components. Microsoft product screen shot(s) reprinted with permission from Microsoft Corporation.
  2. Create the Application Class.
  3. Create the Function that Makes the JFrame.
  4. Add a JLabel to the JFrame.
  5. Check the Code So Far.
  6. Save, Compile and Run.

Is JavaFX a JFrame?

When creating a new project, in the JavaFX category choose JavaFX in Swing Application. The topmost window of this application is a JFrame object, which contains various Swing components such as a text field, a button, a progress bar, and a JFX panel intended to display JavaFX content.

What we call a JFrame in swing is similar to stage in JavaFX?

The equivalent of a Swing JFrame in JavaFX is the Stage class which extends from Window and can be made visible by calling show() method.

How get data from ComboBox in Netbeans?

How get data from ComboBox in Netbeans?

Object selectedItem = comboBox. getSelectedItem(); if (selectedItem != null) { String selectedItemStr = selectedItem. toString(); Foo(selectedItemStr); // Some method that takes a string parameter. }

How do I program a combo box in Netbeans?

How Use the Combo Box With Netbeans GUI

  1. Open the Netbeans software using the shortcut icon in the Windows program group.
  2. Double-click the Java form you want to use to display the JComboBox.
  3. Double-click the JComboBox to open the Java class file.
  4. Add the items to the selection list.

What is combobox in Java?

In Java, you can create combo boxes. A combo box is a combination of a text field and a drop-down list from which the user can choose a value. If the text-field portion of the control is editable, the user can enter a value in the field or edit a value retrieved from the drop-down list. Creating a combo box is easy.

How to get value from combo box in Java?

Object selectedItem = comboBox.getSelectedItem (); if (selectedItem != null) { String selectedItemStr = selectedItem.toString (); Foo (selectedItemStr); // Some method that takes a string parameter. } to get the selected item. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.

How to make use of the combo box with NetBeans?

From scratch Netbeans is used to auto-layout in a form a Combo Box and then it is used. Items are added in the model properties dialogue and by a message-send within the source code. Topic: jComboBox: getseletedItem () Method…

How to create a custom combo box in jcombobox?

Following is an example that creates a combo box with items of a custom type Job: The class Job is defined as follows: Keep in mind that we have to override the toString () method to return a textual representation of the Job class, so the JComboBox class can use it to show item’s name in the drop-down list. 2. Creating an editable combo box

How to bind a jcombobox with MySQL database values?

In This Java Code We Will See How To To Populate A JComboBox With MySQL DataBase Data In Java Programming Language. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.