Не могу понять по какой причине вывод в консоль не удовлетворяет условию

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String url = reader.readLine();
        String[] stringsArray1 = url.split("\\?");
        String[] stringsArray2 = stringsArray1[1].split("\\&");
        List<String> stringList = new ArrayList<>();
        List<String> stringListResult = new ArrayList<>();
        for (int i = 0; i < stringsArray2.length; i++) {
            if (stringsArray2[i].indexOf('=') == -1) {
                stringList.add(i, stringsArray2[i]);
            } else if (stringsArray2[i].indexOf('=') > -1) {
                String[] stringsArray3 = stringsArray2[i].split("\\=");
                stringList.add(i, stringsArray3[0]);
                if (stringsArray3[0].equals("obj")) {
                    stringListResult.add(stringsArray3[1]);
                }
            }
        }
        if (!stringList.isEmpty()) {
            for (String s1 : stringList) {
                if (s1 != null) {System.out.print(s1 + " ");
                }
            }
            System.out.println();
        }
        if (!stringListResult.isEmpty()){
            for (String s2 : stringListResult) {
                if (s2.indexOf('.') == -1) {
                    alert(s2);
                } else if (s2.indexOf('.') > -1) {
                    try {
                        alert(Double.parseDouble(s2));
                    } catch (Exception e) {
                        alert(s2);
                    }
                }
            }
        }
    }

    public static void alert(double value) {
        System.out.println("double: " + value);
    }

    public static void alert(String value) {
        System.out.println("String: " + value);
    }
}

public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String url = reader.readLine();
String[] stringsArray1 = url.split("\\?");
String[] stringsArray2 = stringsArray1[1].split("\\&");
List<String> stringList = new ArrayList<>();
List<Double> doublesList = new ArrayList<>();
String stringResult = null;
Double doubleResult = null;
String strObj = null;
for (int i = 0; i < stringsArray2.length; i++) {
        if (stringsArray2[i].indexOf('=') == -1) {
            stringList.add(i, stringsArray2[i]);
        } else if (stringsArray2[i].indexOf('=') > -1) {
            String[] stringsArray3 = stringsArray2[i].split("\\=");
            stringList.add(i, stringsArray3[0]);
            if (stringsArray3[0].equals("obj")) {
                if (stringsArray3[1].indexOf('.') == -1) {
                    strObj = stringsArray3[1];
                } else if (stringsArray3[1].indexOf('.') > -1) {
                    try {
                        doubleResult = Double.parseDouble(stringsArray3[1]);
                        doublesList.add(doubleResult);
                    } catch (Exception e) {
                       strObj = stringsArray3[1];
                    }
                }
            }
        }
    }
stringResult = String.join(" ", stringList);
System.out.println(stringResult.trim());
if (!doublesList.isEmpty()) {
    for (Double d : doublesList) {
            if (d != null) {
                    alert(d);
                }
            }
        }

        /*if (doubleResult != null) {
            alert(doubleResult);
        }*/
        if (strObj != null) {
            alert(strObj);
        }
    }

    public static void alert(double value) {
        System.out.println("double: " + value);
    }

    public static void alert(String value) {
        System.out.println("Strin

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String url = reader.readLine();
        String[] stringsArray1 = url.split("\\?");
        String[] stringsArray2 = stringsArray1[1].split("\\&");
        List<String> stringList = new ArrayList<>();
        String stringResult = new String();
        Double doubleResult = null;
        String strObj = new String();
        for (int i = 0; i < stringsArray2.length; i++) {
            if (stringsArray2[i].indexOf('=') == -1) {
                stringList.add(i, stringsArray2[i]);
            } else if (stringsArray2[i].indexOf('=') > -1) {
                String[] stringsArray3 = stringsArray2[i].split("\\=");
                stringList.add(i, stringsArray3[0]);
                if (stringsArray3[0].equals("obj")) {
                    if (stringsArray3[1].indexOf('.') == -1) {
                        strObj += stringsArray3[1] + " ";
                    } else if (stringsArray3[1].indexOf('.') > -1) {
                        try {
                            doubleResult = Double.parseDouble(stringsArray3[1]);
                        } catch (Exception e) {
                            strObj += stringsArray3[1] + " ";
                        }
                    }
                }
            }
        }
        stringResult = String.join(" ", stringList);
        System.out.println(stringResult.trim());
        if (doubleResult != null) {
            alert(doubleResult);
        }
        if (strObj != null) {
            alert(strObj.trim());
        }
    }

    public static void alert(double value) {
        System.out.println("double: " + value);
    }

    public static void alert(String value) {
        System.out.println("String: " + value);
    }
}

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String url = reader.readLine();
        //String url = "http://javarush.ru/alpha/index.html?lvl=15&view&name=Amigo";
        //String url = "http://javarush.ru/alpha/index.html?obj=3.14&name=Amigo&obj=3s14";
        String[] stringsArray1 = url.split("\\?");
        String[] stringsArray2 = stringsArray1[1].split("\\&");
        List<String> stringList = new ArrayList<>();
        String stringResult = new String();
        Double doubleResult = null;
        String strObj = new String();
        for (int i = 0; i < stringsArray2.length; i++) {
            if (stringsArray2[i].indexOf('=') == -1) {
                stringList.add(i, stringsArray2[i]);
            } else if (stringsArray2[i].indexOf('=') > -1) {
                String[] stringsArray3 = stringsArray2[i].split("\\=");
                stringList.add(i, stringsArray3[0]);
                if (stringsArray3[0].equals("obj")) {
                    try {
                        doubleResult = Double.parseDouble(stringsArray3[1]);
                    } catch (Exception e) {
                        strObj = stringsArray3[1];
                    }
                }
            }
        }
        stringResult = String.join(" ", stringList);
        System.out.println(stringResult);
        if (doubleResult != null) {
            alert(doubleResult);
        }
        if (strObj != null) {
            alert(strObj);
        }
    }

    public static void alert(double value) {
        System.out.println("double: " + value);
    }

    public static void alert(String value) {
        System.out.println("String: " + value);
    }
}

Поправил и это место. Теперь вывод:
obj name obj
double: 3.14
String: 3s14

Но валидацию по прежнему не проходит. Все идеи