public static void main(String[] args) throws IOException {
// write your code here
String flag=null;
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
String fileName = bf.readLine();
bf.close();
String argumentString="";
for (String str: args)
argumentString+=" "+str;
if(args[0].equals("-c")) {flag =argumentString.substring(0,3);
String productName=argumentString.substring(4,33);
String price = argumentString.substring(34,41);
String quntity =argumentString.substring(41);
String id = idGenerator(fileName);
String generatedString = id+productName+price+quntity;
write(generatedString,fileName);}
}
private static void write(String product,String fileName) throws IOException {
FileOutputStream fileWriter = new FileOutputStream(fileName,true);
fileWriter.write(product.getBytes( System.getProperty("console.encoding","Cp1251")));
fileWriter.write(13);
fileWriter.close();
//System.out.println(product);
}
private static String idGenerator(String fileName) throws IOException {
ArrayList<String> id = new ArrayList();
String maxId="0";String valueGenerator="";int count=0;boolean whit=true;
FileInputStream fileInput = new FileInputStream(fileName);
while (fileInput.available()>0) {
int codePoint = fileInput.read();
if (whit){ valueGenerator += (char) codePoint;
count++;}
if (count == 8) {
id.add(valueGenerator.trim());
valueGenerator = "";
count = 0;
whit = false;
}
if (codePoint == 10) whit = true;
}
fileInput.close();
for (String idAll:id)
if (Integer.parseInt(maxId)<Integer.parseInt(idAll))maxId=idAll;
maxId=String.valueOf(Integer.parseInt(maxId)+1);
if (8-maxId.length()>0)for (int i=0;i<8-maxId.length();i++ )maxId+=" ";
return maxId;
}
}
package com.javarush.task.task18.task1827;
import java.io.*;
import java.util.ArrayList;
/*
Прайсы
*/
public class Solution {
public static void main(String[] args) throws IOException {
// write your code here
String flag=null;
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
String fileName = bf.readLine();
bf.close();
String argumentString="";
for (String str: args)
argumentString+=" "+str;
if(args[0].equals("-c")) {flag =argumentString.substring(0,3);
String productName=argumentString.substring(4,33);
String price = argumentString.substring(34,41);
String quntity =argumentString.substring(41);
String id = idGenerator(fileName);
String generatedString = id+productName+price+quntity;
write(generatedString,fileName);}
}
private static void write(String product,String fileName) throws IOException {
FileOutputStream fileWriter = new FileOutputStream(fileName,true);
fileWriter.write(product.getBytes( System.getProperty("console.encoding","Cp1251")));
fileWriter.write(13);
fileWriter.close();
//System.out.println(product);
}
private static String idGenerator(String fileName) throws IOException {
ArrayList<String> id = new ArrayList();
String maxId="0";String valueGenerator="";int count=0;boolean whit=true;
FileInputStream fileInput = new FileInputStream(fileName);
while (fileInput.available()>0) {
int codePoint = fileInput.read();
if (whit){ valueGenerator += (char) codePoint;
count++;}
if (count == 8) {
id.add(valueGenerator.trim());
valueGenerator = "";
count = 0;
whit = false;
}
if (codePoint == 10) whit = true;
}
fileInput.close();
for (String idAll:id)
if (Integer.parseInt(maxId)<Integer.parseInt(idAll))maxId=idAll;
maxId=String.valueOf(Integer.parseInt(maxId)+1);
if (8-maxId.length()>0)for (int i=0;i<8-maxId.length();i++ )maxId+=" ";
return maxId;
}
}