Uncompilable source code - Erroneous sym type: java.io.File.getSampleV

Question

import java.io.File;

import java.io.FileInputStream;

//import javax.swing.JFrame;
public class filterpanitha {
//public void graph(){

//}
/**
 * @param args
 */
publi         


        

Answer 1

Your error is in this line

int value = file.getSampleValueAt(index);

File doesn't provide the method getSampleValueAt.