[Java] 70. toString

1. 동일성 검증

package ex17;

class Card {
    private String name;
    private int no;
    private String content;

    public Card(int no, String name, String content) {
        this.name = name;
        this.no = no;
        this.content = content;
    }

    public String getName() {
        return name;
    }

    public int getNo() {
        return no;
    }

    public String getContent() {
        return content;
    }

    @Override
    public String toString() {
        return "Card{" +
                "name='" + name + '\'' +
                ", no=" + no +
                ", content='" + content + '\'' +
                '}';
    }
}

public class Tos01 {
    public static void main(String[] args) {
        Card c1 = new Card(1, "드래곤볼", "손오공");
        Card c2 = new Card(1, "드래곤볼", "손오공");

        System.out.println(c1);
        System.out.println(c2);

        System.out.println(c1 == c2);
        System.out.println(c1.toString().equals(c2.toString()));
    }
}