This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
Hi all, Would you please tell me how to let a JFileChooser only accept one file type for example "*.jar"(I know FileFilter). In fact, I don't want that user can select "all files" in JFileChooser, but I don't know how to disable the JCombobox. Thanks ahead!