好的,我一直在环顾四周并做了很多谷歌搜索,但我仍然找不到避免这个警告的方法。
Integer result = chooser.showOpenDialog(null);
if (result.equals(0))
{
String tempHolder = chooser.getSelectedFile().getPath();
filenameLoad = new File(tempHolder);
filenameSave = filenameLoad;
FileInputStream fis = null;
ObjectInputStream in = null;
try
{
fis = new FileInputStream(filenameLoad);
in = new ObjectInputStream(fis);;
}
catch(IOException ex)
{
ex.printStackTrace();
}
try
{
loadFile = (ArrayList<Dot>)in.readObject();
}
catch(IOException ex)
{
System.out.println("Cast fail");
}
catch(ClassNotFoundException ex)
{
System.out.println("Cast fail");
}
catch (ClassCastException ex)
{
System.out.println("Cast fail");
}
try
{
in.close();
}
catch(Exception ex)
{
System.out.println("failed to close in");
}
save.setEnabled(true);
gpanel.setDotList(loadFile);
}
它在 loadFile = (ArrayList)in.readObject(); 行给了我警告 我已经添加了捕获,所以我不确定为什么它仍然说它没有捕获。有什么帮助吗?谢谢?