新・Java入門編18:要素の追加（add）

import java.util.LinkedHashSet;

public class Main {
    public static void main(String... args) {
        LinkedHashSet<String> fruits = new LinkedHashSet<>();
    }
}

import java.util.LinkedHashSet;

public class Main {
    public static void main(String... args) {
        LinkedHashSet<String> fruits = new LinkedHashSet<>();
    }
}

import java.util.LinkedHashSet;

public class Main {
    public static void main(String... args) {
        LinkedHashSet<String> animals = new LinkedHashSet<>();
        
        
    }
}

import java.util.LinkedHashSet;

public class Main {
    public static void main(String... args) {
        LinkedHashSet<String> animals = new LinkedHashSet<>();
        
        
    }
}

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