21 lines
297 B
Java
21 lines
297 B
Java
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public class Book {
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String title;
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String author;
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int price;
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public Book() {
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this.title="タイトル未設定";
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this.author="著者未設定";
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this.price=0;
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}
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public Book(String title,String author,int price) {
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this.title=title;
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this.author=author;
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this.price=price;
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}
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}
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