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package tr.edu.isparta.finalcevaplar;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
//Student Class
class Student
{
int marks;
public Student( int marks)
{
this.marks = marks;
}
}
//nameCompare Class to compare the names
//marksCompare Class to compare the marks
class marksCompare implements Comparator<Student>
{
@Override
public int compare(Student s1, Student s2)
{
return s2.marks - s1.marks;
}
}
/**
*
* @author drhal
*/
public class Soru1 {
public static void main(String[] args)throws IOException
{
//Creating BufferedReader object to read the input text file
BufferedReader reader = new BufferedReader(new FileReader("matris.txt"));
//Creating ArrayList to hold Student objects
ArrayList<Student> studentRecords = new ArrayList<Student>();
//Reading Student records one by one
String currentLine = reader.readLine();
while (currentLine != null)
{
String[] studentDetail = currentLine.split(",");
int emre=studentDetail.length-1;
for (int i = 0; i <=emre; i++) {
int marks = Integer.valueOf(studentDetail[i]);
studentRecords.add(new Student(marks));
}
//Creating Student object for every student record and adding it to ArrayList
currentLine = reader.readLine();
}
//Sorting ArrayList studentRecords based on marks
Collections.sort(studentRecords, new marksCompare());
//Creating BufferedWriter object to write into output text file
BufferedWriter writer = new BufferedWriter(new FileWriter("matrisout.txt"));
//Writing every studentRecords into output text file
for (Student student : studentRecords)
{
writer.write(""+student.marks);
writer.newLine();
}
//Closing the resources
reader.close();
writer.close();
}
}
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