Examples of java.io.DataInputStream.skipBytes()

java.io.DataInputStream.skipBytes()
See the general contract of the skipBytes method of DataInput.
Bytes for this operation are read from the contained input stream. @param n the number of bytes to be skipped. @return the actual number of bytes skipped. @exception IOException if the contained input stream does not supportseek, or the stream has been closed and the contained input stream does not support reading after close, or another I/O error occurs.

    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readDouble();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readDouble();
    }
    in.close();
    return data;
  }

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  public static float[] readFloat(String file, int first, int skipBytes, int length) throws IOException{
    float[] data = new float[length];
    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readFloat();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readFloat();
    }

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    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readFloat();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readFloat();
    }
    in.close();
    return data;
  }

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   */
  public static int[] readInt(String file, int first, int skipBytes, int length) throws IOException{
    int[] data = new int[length];
    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readInt();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readInt();
    }

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    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readInt();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readInt();
    }
    in.close();
    return data;
  }

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  public static boolean[] readBoolean(String file, int first, int skipBytes, int length) throws IOException{
    boolean[] data = new boolean[length];
    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readBoolean();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readBoolean();
    }

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    DataInputStream in = new DataInputStream(new FileInputStream(file));
    //find the first double to read in
    in.skipBytes(first);
    data[0] = in.readBoolean();
    for(int i=1; i<length; ++i){
      in.skipBytes(skipBytes);
      data[i] = in.readBoolean();
    }
    in.close();
    return data;
  }

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  }
  
  private static double[][] readDoubleByRow(String file, int first, int skipBytes,int rowNumber, int columnNumber) throws IOException{
    DataInputStream in = new DataInputStream(new FileInputStream(file));
    double[][] data = new double[rowNumber][columnNumber];
    in.skipBytes(first);
    data[0][0] = in.readDouble();
    for(int colIndex=1; colIndex<columnNumber; ++colIndex){
      in.skipBytes(skipBytes);
      data[0][colIndex] = in.readDouble();
    }

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    DataInputStream in = new DataInputStream(new FileInputStream(file));
    double[][] data = new double[rowNumber][columnNumber];
    in.skipBytes(first);
    data[0][0] = in.readDouble();
    for(int colIndex=1; colIndex<columnNumber; ++colIndex){
      in.skipBytes(skipBytes);
      data[0][colIndex] = in.readDouble();
    }
    for(int rowIndex=1; rowIndex<rowNumber; ++rowIndex){
      for(int colIndex=0; colIndex<columnNumber; ++colIndex){
        in.skipBytes(skipBytes);

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      in.skipBytes(skipBytes);
      data[0][colIndex] = in.readDouble();
    }
    for(int rowIndex=1; rowIndex<rowNumber; ++rowIndex){
      for(int colIndex=0; colIndex<columnNumber; ++colIndex){
        in.skipBytes(skipBytes);
        data[rowIndex][colIndex] = in.readDouble();
      }
    }
    in.close();
    return data;

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