简体   繁体   中英

Read text file from resource folder and populate jTextArea (NetBeans Java)

StringBuilder result = new StringBuilder("");   
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("DBase.dat").getFile());
try (Scanner scanner = new Scanner(file)) {
    while (scanner.hasNextLine()) {
        String line = scanner.nextLine();
        result.append(line).append("\n");                        
    }
    jTextArea1.setText(result.toString());
    scanner.close();    
} catch (FileNotFoundException ex) {

}

I am new to JAVA and netBeans I am using this code to read a text file from resources folder and then populate jTextArea from that file. But I am getting Errors. I want to read textfile line by line not all the text at once... Please Help me what should I do. I am pasting a picture too... Project Picture

尝试这样的事情:

File file = new File(classLoader.getResource("DBase.dat").getPath());

The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM