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import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
public class Main {
public static void main(String[] argv) throws Exception {
File file = new File("c:\\a.bat");
InputStream is = new FileInputStream(file);
long length = file.length();
if (length > Integer.MAX_VALUE) {
System.out.println("File is too large");
}
byte[] bytes = new byte[(int) length];
int offset = 0;
int numRead = 0;
while (numRead >= 0) {
numRead = is.read(bytes, offset, bytes.length - offset);
offset += numRead;
}
if (offset < bytes.length) {
throw new IOException("Could not completely read file " + file.getName());
}
is.close();
System.out.println(new String(bytes));
}
}
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