![try-with-resources
+1
try (InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dest)) {
byte[] buf = new byte[1024];
int n;
while((n = in.read(buf)) >= 0) {
out.write(buf, 0, n);
}
} catch (IOException ex) {
// 箭翌I尖
}](https://image.slidesharecdn.com/javase7-110729053031-phpapp01/85/Java-SE-7-7-320.jpg)
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苧晩から聞える Java SE 7
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