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package rd222dv_assign3.Chart;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.*;
public class Histogram {
// Fields
private int upTo100 = 0;
private String filePath = "";
private int[] num = new int[10];
private int other = 0;
// Constructor
public Histogram() {
}
public void setPath(String path) {
filePath = path;
}
public boolean checkFileExist() { // if file exists
File file = new File(filePath);
if (file.exists()) {
return true;
}
return false;
}
public void readFile() throws FileNotFoundException {
if (checkFileExist() == true) { // check if it exists
File file = new File(filePath);
Scanner fileScan = new Scanner(file);
while (fileScan.hasNextLine()) {
String line = fileScan.nextLine();
int number = Integer.valueOf(line); // string to integer
// conversion
if (number <= 100 && number >= 1) { // number from 1 to 100
upTo100++;
if (number <= 10 && number > 0) {
num[0] = num[0] + 1;
} else if (number > 10 && number <= 20) {
num[1] = num[1] + 1;
} else if (number > 20 && number <= 30) {
num[2] = num[2] + 1;
} else if (number > 30 && number <= 40) {
num[3] = num[3] + 1;
} else if (number > 40 && number <= 50) {
num[4] = num[4] + 1;
} else if (number > 50 && number <= 60) {
num[5] = num[5] + 1;
} else if (number > 60 && number <= 70) {
num[6] = num[6] + 1;
} else if (number > 70 && number <= 80) {
num[7] = num[7] + 1;
} else if (number > 80 && number <= 90) {
num[8] = num[8] + 1;
} else {
num[9] = num[9] + 1;
}
} else {
other++; // if num is not in the interval from 1 to 100
}
}
fileScan.close();
} else
throw new FileNotFoundException(); // throw error if not found
}
// Getters for the Main class
public int getOthers() {return other;}
public int getUpTo100() {return upTo100;}
public int get1To10() {return num[0];}
public int get11To20() {return num[1];}
public int get21To30() {return num[2];}
public int get31To40() {return num[3];}
public int get41To50() {return num[4];}
public int get51To60() {return num[5];}
public int get61To70() {return num[6];}
public int get71To80() {return num[7];}
public int get81To90() {return num[8];}
public int get91To100() {return num[9];}
} |