copy(new File("E:\\Test\\hello.txt"), new File("E:\\Test\\newHello.txt")); public void copy(File sourceFile, File copyFile) throws IOException { if (sourceFile != null) { try (InputStream fit = new FileInputStream(sourceFile); FileOutputStream fot = new FileOutputStream(copyFile)) { if (copyFile.exists()) { copyFile.delete(); } copyFile.createNewFile(); int len; byte[] buffer = new byte[1024]; while ((len = fit.read(buffer)) != -1) { fot.write(buffer, 0, len); } System.out.println("copy success"); } } }
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