import java.io.File;
import java.io.FileInputStream;
public class Main {
public static void main(String[] args) throws Exception {
File file = new File("C:/String.txt");
StringBuffer strContent = new StringBuffer();
FileInputStream fin = new FileInputStream(file);
int ch;
while ((ch = fin.read()) != -1) {
strContent.append((char) ch);
}
fin.close();
System.out.println(strContent);
}
}