Прошу дать наставлении
package com.javarush.task.task15.task1527;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Парсер реквестов
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String value = reader.readLine();
String sub = value.substring(value.indexOf("?")+1);
String [] splitSub = sub.split("&");
for (int i = 0; i <splitSub.length ; i++) {
if(splitSub[i].contains("=")){
System.out.print(splitSub[i].substring(0,splitSub[i].indexOf("="))+" ");
}
else System.out.print(splitSub[i]+" ");
}
System.out.println(" ");
for (int i = 0; i <splitSub.length ; i++) {
if(splitSub[i].contains("obj")){
String subObj = splitSub[i].substring(splitSub[i].indexOf("=")+1);
if(subObj.contains(".")){
try {
Double.parseDouble(subObj);
alert(Double.parseDouble(subObj));
}
catch (Exception e){
alert(subObj);
}
}
}
}
}
public static void alert(double value) {
System.out.println("double: " + value);
}
public static void alert(String value) {
System.out.println("String: " + value);
}
}