我对android中的"try- with -resources are not supported at this language level it not supported at this language level“有一个问题。在下面发布的代码中,我试图将language设置为7,但它仍然给我提供了相同的示例,而且它一直给我提供了更改为语言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";
}
发布于 2016-10-05 18:08:03
它在API19以下不受支持,但据报道它在15甚至14上都可以工作:https://code.google.com/p/android/issues/detail?id=73483
https://stackoverflow.com/questions/24290830
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