WebJava 更改JComboBox箭头';背景色,java,swing,jcombobox,Java,Swing,Jcombobox,我发现: 如何准确地“将图标绘制到BuffereImage的图形上下文”? WebJava 如何将sql表中的数据显示到JComboBox中?,java,prepared-statement,jcombobox,Java,Prepared Statement,Jcombobox,我想在两个JComboBox中显示数据库的两列 Opps,这可以做得简单得多,因为两者都来自同一个表'rg' String rq1 = "SELECT region,ACTELS FROM rg"; st1 = conn.createStatement(); rs1 = …
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WebRight-click the combo box and choose Bind > elements. Click Import Data to Form. From the Import Data to Form dialog box, select the database table to which you want to bind your components. Click OK. From the Binding Source combo box, select the item that represents the result list of the entity class. WebDec 3, 2012 · AutoComboBox autoComboBox = new AutoComboBox (); Next, set the item list. It takes an String array. You may change the type by modifying the AutoComboBox class. String [] itemArray = {"Malith", "John", "Jack" }; autoComboBox.setKeyWord (itemArray); Now you have an auto completing JComboBox which has "Malith", "John", "Jack" as items ! WebJava 局部变量需要声明为final,java,final,jcombobox,Java,Final,Jcombobox,我收到错误“局部变量框是从内部类访问的;需要声明为final”。这似乎没问题,但我并不认为这是最好的解决方案,所以我希望其他人能帮我。 reading crusader train