import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class TM_Model {

private final String logFile = "timelog.txt";

public TM_Model() {
}

public void process(String[] args) {

   // get comamand
   String command = args[0];
   if (command.equals("summary")) {
         summary(args);
   } else if (command.equals("start")) {
         start(args);
   } else if (command.equals("stop")) {
         stop(args);
   } else if (command.equals("size")) {
         size(args);
   } else if (command.equals("describe")) {
         describe(args);
   } else if (command.equals("max")) {
         max(args);
   } else if (command.equals("min")) {
         min(args);
   } else if (command.equals("avg")) {
         avg(args);
   } else if (command.equals("rename")) {
         rename(args);
   } else if (command.equals("delete")) {
         delete(args);
   }
}

private void delete(String[] args) {
   if (args.length == 2) {
         String task = args[1];
         // initialize the log file
         Log log = new Log(logFile);
         log.delete(task);
   }
}

private void rename(String[] args) {
   if (args.length == 3) {
         String oldTask = args[1];
         String newTask = args[2];
         // initialize the log file
         Log log = new Log(logFile);
         log.rename(oldTask, newTask);
   }
}

private void max(String[] args) {
   if (args.length == 2) {
         String size_ = args[1];
         // initialize the log file
         Log log = new Log(logFile);
         log.max(size_);
   }
}

private void min(String[] args) {
   if (args.length == 2) {
         String size_ = args[1];
         // initialize the log file
         Log log = new Log(logFile);
         log.min(size_);
   }
}

There are two input files in the attachment named File-1.txt and Fi...