在以下发布的代码中,我遇到了“此语言级别不支持try-with-resources”的问题,在尝试将语言设置为7后仍然出现相同的示例,并且仍然给我选择转换为语言7的选项。
public String ReadFile(String fileName) {
try (BufferedReader br = new BufferedReader(new FileReader(fileName+".txt"))) {
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line);
sb.append(System.lineSeparator());
line = br.readLine();
}
String everything = sb.toString();
return everything;
} catch (FileNotFoundException ex) {
Logger.getLogger(SaveNLoadRank.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(SaveNLoadRank.class.getName()).log(Level.SEVERE, null, ex);
}
return "1";
}
Try-with-resources
需要最低minSdkVersion
为 19。 - Phantômaxx