jbutton

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I changed the color of my button. Now I want its original look and feel back. I want to change the color once to a color that i like. After that, I want the button to get its original look back. How do I do that

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I changed the color of my button. Now I want its original look and feel back. I want to change the color once to a color that i like. After that, I want the button to get its original look back. How do I do that

问题 I have been working on a memory game in java for about a week and a half know it is basically complete, But i am having a problem with randomizing my jbuttons across the panel they only appear in the list order. So what would be the best way to randomize or shuffle the images and values set to each button i have been wondering it is a static grid layout so i cannot change the position of them, I thought i sussed in a while ago when i got the images to change randomly on the board but i could

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I need a small code in java for the following scenario: Button should get the selected checkboxes and executing the code for those checkboxes in my form. 回答1: Here is an example I made for you: import java.awt

问题 I am working on a simple calculator in JAVA as i'm trying to experiment with a GUI. I have run into some errors that still aren't resolved with the debugger.. The buttons on the calculator that represent *,- ans so forth aren't working properly, the only one working properly is the plus button which works properly. The division button never outputs anything, it outputs an error that says that it cant be divided by zero. This is the strangest one because if the input or the number being saved

问题 Thanks for your help guys...now the program works and runs like it should.. but I have 2 more question. 1.How can I get the output into a JTestField t4 or t5 2.How can I close the application using the JButton Buton3 import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.swing.JButton; import javax.swing.JFrame; public class TriangleFarfan{ JFrame Triangle = new JFrame("Triangle Calculator"); JButton Button1 =

问题 I've created 2 JButtons.One of them has the function of a button and the other handles an image.I want that image to change when this button is clicked.So inserted the method repaint() and added a listener to the first JButton to change the image.When trying to add the listener or the event handler to the first JButton nothing happens.So the image doesn't change.Can anyone show me how can I insert this listener in a way that it works(changes the image when the button is clicked)?Here is my

问题 So I am having trouble adding actionlisteners using the method addActionListeners(), which is between some system.out.printlns so that I could tell that the method was actually working. protected void whoFirst(String first) { int currPlayer = 0; System.out.println("Hello"); addActionListeners(); System.out.println("How are you?"); if(first == "player1") { player1.setVisible(true); currPlayer = 1; } if(first == "player2") { player2.setVisible(true); currPlayer = 2; } } The add actionlistener

问题 I have a main frame : JFrame>contentFrame>ScrollPane>BigPanel>panel_1T private JPanel contentPane; private JPanel BigPanel; private JPanel panel_1T; In panel_1T, I have put a FOOD button WITH its actionListener: JButton button_19 = new JButton("FOOD"); button_19.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { newFoodUI nf = new newFoodUI();//Open other class nf.setVisible(true); nf.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); } }); panel

问题 Its generic question. If I add some UI objects such as JButton etc and check the isVisible property, it would return true. However, does it guarantee that the object is actually rendered and visible correctly on the display? If not, is there some better way to check the same? 回答1: No isVisible() is only a hint for this component itself. If it is really visible for the user depends on the parent hierarchy of the component. This can be verified best by isShowing() inherited by Component, which