jtextfield

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addition between two jtextfield

I have a problem with the following: I want to add the java开发者_如何学运维.lang.String values of two JTextfields together.[详细]

2023-02-10 00:26 分类：问答
Do I need to prepare any security procedures using a JTextField

I have a JTextField in a GUI Java App. It\'s not connected to a Database so I\'m not worried about SQL injection or anything like th开发者_运维百科at, but I wonder if I need to worry about a stack ove[详细]

2023-02-09 15:37 分类：问答
compare jTextField - java

It is possible compare the value (string) of JTextField? I have some blocks of code similar to the bellow, so my ideia is compare (!= or ==) this - pn50.setText(play4b) with, for example, pn50.setText[详细]

2023-02-08 00:12 分类：问答
JTextField: focus next component when textfield is full / autoskip / Auto-Tabbing

I want to implement autoskip with JTextField, but don\'t know what is the best way to do this. What is autoskip/Auto-Tabbing? When you reach the defined length limit of a textfield, you are automati[详细]

2023-02-07 05:31 分类：问答
Set position of JTextField, JLabel and JButton in Java

When i run the program, the label textfield and button and so on are arranged randomly (label and button are in same li开发者_Python百科ne).[详细]

2023-02-05 20:23 分类：问答
JTextField.setText() throwing NullPointerException

I\'m trying to learn java and I am trying to make a simple calculator.For some reason I am getting a NullPointerException on my TextField.setText().[详细]

2023-02-05 14:05 分类：问答
how to lose the focus of JtextFeild onClick

how to lose focus of JFormatedTextfeild when click on Calender Window private void dateTxtFocusGained(java.awt.event.FocusEvent evt) {[详细]

2023-02-05 13:49 分类：问答
Java: Is there any method in JTextPane that does the same thing as append() in JTextArea?

The program lets the user type in a command in a textfield then whatever they typed will show in the text area. If it is keywords such as yes it will turn green, however I cannot set just one line of[详细]

2023-02-04 19:40 分类：问答
How to set a custom background color on a line in a JTextPane

I would like to alternate between gray and white as background from one line of my JTextPane to th开发者_运维问答e next.[详细]

2023-02-03 16:48 分类：问答
Hold down a key while clicking on a JTextField in Java, how to get the key?

I have a JTextField represents a day in a week, such as \"Friday\", when I click on it, I want to have a choice such as \"1st of month, 3rd of month or last of month\", so I came up with two options :[详细]

2023-02-02 04:31 分类：问答