import java.io.*;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.lang.*;
import java.util.LinkedList;
import java.util.List;
/**
*
* @author Animesh Pandey
*/
public class Main {
public static int [][] sort( int a[][]){
int i, j, t = 0, t1 = 0, t2 = 0 ;
for(i = 0; i < a.length; i++){
for(j = 1; j < (a.length - i); j++){
if(a[j-1][2] > a[j][2]){
t = a[j-1][2];
a[j-1][2] = a[j][2];
a[j][2] = t;
t1 = a[j-1][1];
a[j-1][1] = a[j][1];
a[j][1] = t1;
t2 = a[j-1][0];
a[j-1][0] = a[j][0];
a[j][0] = t2;
}
}
}
return a;
}
public static void main(String args[])
throws IOException {
String thisLine;
String[] fullText = new String[100]; //number of possible lines in your file
int counter = 0;
int valueForPrediction = 1;
int K = 8;
int [][] Matrix = new int [20][3];
List<Integer> Height = new LinkedList<Integer>();
List<Integer> OP = new LinkedList<Integer>();
List<Integer> Distance = new LinkedList<Integer>();
String fName = "F:/Lab4.csv";
String opfName = "F:/Lab4_1.csv";
FileInputStream fis = new FileInputStream(fName);
FileOutputStream fos = new FileOutputStream(opfName);
BufferedReader myInput = new BufferedReader(new InputStreamReader(fis));
BufferedWriter myOutput = new BufferedWriter(new OutputStreamWriter(fos));
while ((thisLine = myInput.readLine()) != null) {
int sPos = 0;
int ePos = 1;
int tDelim = 0;
String d = "";
int colCount = 0;
int collCount = 0;
boolean fMe = false;
boolean finalCol = false;
while ( ePos < thisLine.length()) {
sPos = thisLine.indexOf(",", ePos);
tDelim = thisLine.indexOf(",\"", ePos);
if (tDelim == ePos) {
fMe = true;
collCount = ePos + 1;
while (collCount <= thisLine.indexOf("\",")) {
collCount += 1;
}
colCount += 1;
sPos = collCount;
}
if (colCount == 47) { //Get Max count of columns
finalCol = true;
collCount = ePos + 1;
while (collCount <= thisLine.lastIndexOf("\"")) {
collCount += 1;
}
colCount += 1;
sPos = collCount;
}
if (sPos == -1) {
d = thisLine.substring(ePos,thisLine.length());
//System.out.print(d);
if(d.equals("m")){
myOutput.write("1");
OP.add(1);
}else{
myOutput.write("2");
OP.add(2);
}
break;
}else if(ePos == 1) {
d = thisLine.substring(ePos-1,sPos);
//System.out.print(d+",");
if(d.equals("medium")){
myOutput.write("2,");
Height.add(2);
}else if(d.equals("tall")){
myOutput.write("1,");
Height.add(1);
}else{
myOutput.write("3,");
Height.add(3);
}
}else{
if (fMe) {
d = thisLine.substring(ePos + 1, sPos);
fMe = false;
}else if (finalCol) {
d = thisLine.substring(ePos, sPos);
finalCol = false;
}else{
d = thisLine.substring(ePos, sPos);
}
//System.out.print(d+",");
if(d.equals("medium")){
myOutput.write("2,");
Height.add(2);
}else if(d.equals("tall")){
myOutput.write("1,");
Height.add(1);
}else{
myOutput.write("3,");
Height.add(3);
}
}
colCount += 1;
ePos = sPos + 1;
}
//System.out.println("\n");
myOutput.write("\n");
counter++;
fullText[counter] = thisLine;
}
Integer[] Hgt = Height.toArray(new Integer[0]);
Integer[] Output = OP.toArray(new Integer[0]);
int Range = Hgt.length;
for(int i=0; i<Range; ++i){
Distance.add(Math.abs(valueForPrediction - Hgt[i]));
}
//System.out.println(Distance);
Integer[] Dist = Distance.toArray(new Integer[0]);
/*Dist = sort(Dist);
for(int i=0; i<Range; ++i){
System.out.print(Dist[i]);
}*/
System.out.println("\n");
for(int n=0; n<Range; ++n){
Matrix[n][0] = Hgt[n];
Matrix[n][1] = Output[n];
Matrix[n][2] = Dist[n];
}
int [][] sortedMatrix = sort(Matrix);
for(int i=0; i<Range; ++i){
for(int j=0; j<3; ++j){
System.out.print(sortedMatrix[i][j]);
}
System.out.println("\n");
}
int sum = 0;
float average;
for(int i=0; i<K; ++i){
sum += sortedMatrix[i][1];
}
average = sum/K;
System.out.println(sum + "\n");
//The sum is 11 and K is 8. So, the value of average should be 1.375
System.out.printf("%f", average);
myOutput.close();
}
}The csv files are in the attachment.
The average is supposed to be greater than 1.
But still using System.out.printf() prints it as 1.00000.
What should I do??? :?:
Please help!