DataInputStream.readUTF(DataInput in) has the following syntax.
public static final String readUTF(DataInput in) throws IOException
In the following code shows how to use DataInputStream.readUTF(DataInput in) method.
// w ww . j av a 2s.co m import java.io.DataInput; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.InputStream; public class Main { public static void main(String[] args) throws Exception { InputStream is = new FileInputStream("c:\\test.txt"); DataInput in = new DataInputStream(is); DataInputStream.readUTF(in); } }