import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.Scanner; public class ReadData { ArrayList pointx_input = new ArrayList<>(); ArrayList pointy_input = new ArrayList<>(); public void Read() throws FileNotFoundException { java.io.File file1 = new java.io.File("C:\\Users\\87969\\Desktop\\test\\fileDataMeanShift.txt"); Scanner input = new Scanner(file1); while (input.hasNext()){ pointx_input.add(input.nextDouble()); pointy_input.add(input.nextDouble()); } input.close(); } }