Hero_Elf_Wizard_Knight

public class Hero {
    private String username;
    private int level;

    public Hero(String username, int level) {
        this.username = username;
        this.level = level;
    }

    public String getUsername() {
        return username;
    }

    public int getLevel() {
        return level;
    }

    @Override
    public String toString() {
        return String.format("Type: %s Username: %s Level: %s",
                this.getClass().getName(),
                this.getUsername(),
                this.getLevel());
    }
}

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public class Elf extends Hero {
    public Elf(String username, int level) {
        super(username, level);
    }
}

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package Inheritance.P03_PlayersAndMonsters.hero;

public class Wizard extends Hero {
    public Wizard(String username, int level) {
        super(username, level);
    }
}

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package Inheritance.P03_PlayersAndMonsters.hero;

public class Knight extends Hero {
    public Knight(String username, int level) {
        super(username, level);
    }
}