Возникли проблемы с CharSequence

Я только начал изучать, как кодировать 2 недели назад, и, похоже, у меня возникли проблемы с идеей использования CharSequence.

Я пишу простую программу, основанную на телешоу "Игра престолов", которая позволяет мне распечатывать имена, их пристрастия и, независимо от того, живы они или нет, используя ArrayList.

Это класс моих персонажей:

import java.util.ArrayList;

public class Characters {

/* Fields */
private String name;
private String allegiance;
private String status;
private int seasonSeen;


/* Constructor */
public Characters(String name, String allegiance, String status, int seasonSeen) {
    this.name = name;
    this.allegiance = allegiance;
    this.status = status;
    this.seasonSeen = seasonSeen;
}

/* Methods */

public String getName() {
    return name;
}

public String getallegiance() {
    return allegiance;
}

public String getStatus() {
    return status;
}

public int getseasonSeen() {
    return seasonSeen;
}

}

Это мой тестовый класс

import java.util.ArrayList;

public class TestGoTCharacters {

public static void main(String[] args) {


// create an arraylist called character
ArrayList<Characters> character = new ArrayList<Characters>();

    // character paramaters(name, allegiance, status, season appearance) into the arraylist
    character.add(new Characters("Jon Snow", "House Stark, The Nights Watch", "Alive", 1));
    character.add(new Characters("Neddard Stark", "House Stark", "Deceased", 1));
    character.add(new Characters("Arya Stark", "House Stark, Faceless Men", "Alive", 1));
    character.add(new Characters("Catelyn Stark", "House Stark", "Deceased", 1));
    character.add(new Characters("Sansa Stark", "House Stark", "Alive", 1));
    character.add(new Characters("Bran Stark", "House Stark", "Alive", 1));
    character.add(new Characters("Rickon Stark", "House Stark", "Deceased", 1));
    character.add(new Characters("Cersei Lannister","House Lannister, House Baratheon", "Alive", 1));
    character.add(new Characters("Jamie Lannister", "House Lannister, Kingsguard", "Alive", 1));
    character.add(new Characters("Tyrion Lannister", "House Lannister, House Targaryen", "Alive", 1));
    character.add(new Characters("Tywin Lannister", "House Lannister", "Deceased", 1));
    character.add(new Characters("Robert Baratheon", "House Baratheon, House Baratheon of Kings Landing", "Deceased", 1));
    character.add(new Characters("Stannis Baratheon", "House Baratheon, House Baratheon of Dragonstone", "Deceased", 2));
    character.add(new Characters("Renly Baratheon", "House Baratheon", "Deceased", 1 ));
    character.add(new Characters("Melissandre", "The lord of light", "Alive", 2));
    character.add(new Characters("Margaery Tyrell", "House Tyrell, House Baratheon, House Baratheon of Kings Landing", "Deceased", 2));
    character.add(new Characters("Sandor 'The Hound' Clegane", "House Baratheon of Kings Landing, Brotherhood without Banners", "Alive", 1 ));
    character.add(new Characters("Joffrey Baratheon", "House Baratheon of Kings Landing, House Lannister", "Deceased", 1));
    character.add(new Characters("Gregor 'The Mountain' Clegane", "House Lannister", "Alive", 1));
    character.add(new Characters("Khal Drogo", "Dothraki", "Deceased", 1));
    character.add(new Characters("Benjen Stark", "House Stark, The Nights Watch", "Alive", 1));
    character.add(new Characters("Ramsay Bolton", "House Bolton", "Deceased", 3));
    character.add(new Characters("Daenarys Targayen", "House Targaryen", "Alive", 1));
    character.add(new Characters("Viserys Targaryen", "House Targaryen", "Deceased", 1));
    character.add(new Characters("Rhaegar Targaryen", "House Targaryen", "Deceased", 7));
    character.add(new Characters("Petyr Baelish", "House Baelish", "Alive", 1));
    character.add(new Characters("Robb Stark", "House Stark", "Deceased", 1));
    character.add(new Characters("Theon Greyjoy", "House Targaryen, House Stark, House Greyjoy", "Alive", 1));
    character.add(new Characters("Yara Greyjoy", "House Greyjoy", "Alive", 2));



    /* method that reads out names in the array list */
    /*
    int count = 1;
    System.out.println("Some of the characters in Game of Thrones, are: ");
    for (int i = 0; i < character.size(); i++) {
        System.out.println(count + ". " + character.get(i).getName()); 
        count = count + 1;
    }
    */


    /* method that finds house allegiances */

    System.out.println("\n"); // create a line space
    System.out.println("The following characters are loyal to House Stark: ");
    CharSequence HouseStark = "House Stark";  // if Allegiance contains House Stark then, print the name
    for (int i = 0; i < character.size(); i++) {
        // if (characer.get(i_.getallegiance() == "House Stark") 
        if (character.get(i).getallegiance() == HouseStark)// compares if allegiance paramters is true (equals house stark)
            System.out.println(character.get(i).getName());
    }



    /* method that finds deceased */

    /* method that finds characters seen in season 1 */

    /* method that finds characters seen other than season 1 */

}
}

Это то, что он читает, но я, кажется, замечаю, что таких символов, как "Джон Сноу", нет в выводе, хотя я упоминал в параметрах "Дом Старка, The Nights Watch"

The following characters are loyal to House Stark: 
Neddard Stark
Catelyn Stark
Sansa Stark
Bran Stark
Rickon Stark
Robb Stark

1 ответ

У вас есть запятая в верности "Jon Snow" (с более чем одним значением, поэтому они не равны). allegiance это Stringтак что вы могли бы использовать String.contains лайк

if (character.get(i).getallegiance().contains(HouseStark))
Другие вопросы по тегам