A Java class to read ultrasonic sensor readings [raspberry pi] [HC-SR04]

I am working on an embedded systems project these days which the core program is written in java to work on a raspberry pi 3 model b in raspbian os. We needed to connect few ultrasonic sensors for that device so i have written a java class to interface the HC-SR04 ultrasonic sensor with the raspberry pi using GPIO pins. Continue reading “A Java class to read ultrasonic sensor readings [raspberry pi] [HC-SR04]”

Custom CSV file reader class for your java projects

Custom CSV file reader

This class includes the following methods.

Constructor : ReadCsv(String filename)

int getNumberOfHeaders() : Returns the number of Headers/coloumns

String getHeader(int headerIndex) : Returns the specific header

String[] getHeaders() : Returns the array of Headers

ArrayList<String[]> getData() : Returns complete data

int getSize() : Returns the number of records

Continue reading “Custom CSV file reader class for your java projects”