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  1. �スm�スt�ス@�スC�ス�ス�スn�ス�ス�スm�スV�スK�ス�ャ�スn�ス�ス�スm�スN�ス�ス�スX�スn�スナ[�スV�スKJava�スN�ス�ス�スX�スn�ス_�スC�スA�ス�ス�スO�ス�ス\�ス�ス
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�ス�ス�ス1�ス@�スm�スV�スKJava�スN�ス�ス�スX�スn�ス_�スC�スA�ス�ス�スO �ス�ス�ス1�ス@�スm�スV�スKJava�スN�ス�ス�スX�スn�ス_�スC�スA�ス�ス�スO

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package sample24;
public class SampleException extends Exception {
    private static final long serialVersionUID = 1L;
    private int code;
    public SampleException(int code, String message) {
        super(message);
        this.code = code;
    }
    public int getCode() {
        return code;
    }
}

�ス@�ス�ス�ス�ス�スナは、�スT�ス�ス�スv�ス�ス�スネのゑソスcode�スt�スB�ス[�ス�ス�スh�ス�スp�スモゑソス�スワゑソス�ス�ス�スB�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�スt�スB�ス[�ス�ス�スh�ス�スp�スモゑソス�ストゑソス�ス�ス�スホ、�スニ趣ソス�スフエ�ス�ス�ス[�スR�ス[�スh�ス�スン定し�スト、�ス�ス�スフ切り分�ス�ス�ス�ス�ス�ス�ス竄キ�ス�ス�スG�ス�ス�ス[�ス�ス�スb�スZ�ス[�スW�ス�ス�スo�スヘでゑソス�スワゑソス�スB

�スuserialVersionUID�スv�スt�スB�ス[�ス�ス�スh�スニゑソス

�ス@�スネゑソス�スA�スuserialVersionUID�スv�スニゑソス�ス�ス�スt�スB�ス[�ス�ス�スh�スノつゑソス�ストは、Exception�スN�ス�ス�スX�ス�スextends�ス�ス�ス�ス�スN�ス�ス�スX�ス�ス�スV�ス�ス�スA�ス�ス�スC�スY�スツ能�スネク�ス�ス�スX�スニゑソス�スト、�ス�ス�スフフ�スB�ス[�ス�ス�スh�ス�ス�ス�ス�スツよう�スノゑソス�ス�スフゑソス�ス�ス�ス�ス�ス�ス�ス゚、�スp�スモゑソス�ストゑソス�スワゑソス�スB�ス�ス�ス�ス�スナは、�ス�ス�ス�ス�ス�ス�ス�ス�ストゑソス�ス�ス�ス�スEclipse�スナ警�ス�ス�ス�ス�スo�スネゑソス�スニ覚�ス�ス�ストゑソス�ス�ス�スホゑソス�ス�ス�スナゑソス�ス蛯、�スB

�ス�ス�スハなフ�スB�ス[�ス�ス�スh�ス�ス�ス�ス�ス�ス�スネゑソス�ス�スO�スN�ス�ス�スX�ス�ス�ス`�ス�ス�ス�スノゑソス

�ス@�スヌゑソスネ暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�スO�スN�ス�ス�スX�ス�ス�ス^�ス�ス�ス�ス�スナ表�ス�ス�ス�ス�ス驍ア�スニゑソス�ス�ス�ス�ス�スフで、�ス�ス�スハなフ�スB�ス[�ス�ス�スh�ス�ス�ス�ス�ス�ス�スネゑソス�ス�スO�スN�ス�ス�スX�ス�ス�ス`�ス�ス�ス驍ア�スニゑソス�ス�ス�ス�スナゑソス�ス蛯、�スB�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス鼾�ソスヘ、�ス�ス�ス�スSampleException2�スフよう�スネク�ス�ス�スX�ス�ス�ス`�ス�ス�ス�スホ十�ス�ス�スナゑソス�スB

package sample24;
public class SampleException2 extends Exception {
    private static final long serialVersionUID = 1L;
    public SampleException2(String message) {
        super(message);
    }
}

�スy2�スz�スuthrow�スv�スuthrows�スv�スナ暦ソスO�ス�ス�スu�ス�ス�ス�ス�ス�スv�スノゑソス

�ス@�ス�ス�スノ、�ス�ス�スフ暦ソスO�ス�ス�スu�ス�ス�ス�ス�ス�スv�ス�ス�ス\�スb�スh�ス�ス�ス�ス�スツク�ス�ス�スX�ス�ス�ス�ャ�ス�ス�スワゑソス�スB�ス�ス�ス\�スb�スh�スナは、�スヌゑソスネ暦ソスO�ス鰍�ス�ス驍ゥ�ス骭セ�ス�ス�ス�スK�スv�ス�ス�ス�ス�ス�スフで、�スL�ス[�ス�ス�ス[�スh�スuthrows�スv�ス�ス�スg�ス�ス�スト難ソス�ス�ス�ス�ス�スO�スN�ス�ス�スX�ス�ス�スL�スq�ス�ス�スワゑソス�スB

�ス�スO�ス鰍�ス�ス�スT�ス�ス�スv�ス�ス�スN�ス�ス�スX

�ス@�ス�ス�ス�ス�スナは、�ス�ス�スO�スニパ�スX�ス�ス�ス[�スh�スニゑソス�ス�ス�ス�ス�ス[�スU�ス[�ス�ス�ス�スUserInfo�スN�ス�ス�スX�スナ表�ス�ス�ス�ス�スA�ス�ス�ス[�スU�ス[�ス�ス�スフ�ソス�スX�スg�ス�ス�スt�スB�ス[�ス�ス�スhusers�スナ趣ソス�ス�スSampleUserList�スN�ス�ス�スX�ス�スp�スモゑソス�スワゑソス�スB

�ス@�ス�ス�スフク�ス�ス�スX�スフ�ソス�ス\�スb�スh�スニゑソス�スト、name�ス�スpassword�ス�ス�スp�ス�ス�ス�ス�ス[�ス^�スニゑソス�ス�スlogin�ス�ス�ス\�スb�スh�ス�ス�ス�ャ�ス�ス�スワゑソス�ス�ス�スA�ス�スO�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス鼾�ソスノゑソスSampleException�ス�スSampleException2�ス鰍�ス�ス�ス謔、�ス�スthrows�ス�ス�ス�ス�ス\�スb�スh�スヨ付�ス�ス�スワゑソス�スB

package sample24;
public class SampleUserList {
    class UserInfo {
        private String name;
        private String password;
        public UserInfo(String name, String password) {
            this.name = name;
            this.password = password;
        }
        public String getName() { return name; }
        public String getPassword() { return password; }
    }
    private java.util.List<UserInfo> users = 
        new java.util.ArrayList<UserInfo>();
  
    public SampleUserList() {
        users.add(new UserInfo("Akira", "777"));
        users.add(new UserInfo("Jacky", "*"));
    }
  
    public boolean login(String name, String password)
    throws SampleException, SampleException2 {
        for (UserInfo user : users) {
            if ("".equals(name.trim())) {
                throw new SampleException(1, "�ス�ス�スO�スC�ス�ス�スノ趣ソス�スs�ス�ス�スワゑソス�ス�ス�スB");
            } else if ("".equals(password.trim())) {
                throw new SampleException(2, "�ス�ス�スO�スC�ス�ス�スノ趣ソス�スs�ス�ス�スワゑソス�ス�ス�スB");
            }
            if (user.getName().equals(name)) {
                if (user.getPassword().equals("*")) {
                    throw new SampleException2("�ス�ス�スO�スC�ス�ス�スノ趣ソス�スs�ス�ス�スワゑソス�ス�ス�スB");
                } else if (user.getPassword().equals(password)) {
                    return true;
                } else {
                    return false;
                }
            }
        }
        return false;
    }
}

�ス@�ス�ス�ス\�スb�スh�スフ抵ソス�スナは暦ソスO�ス鰍�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�ストゑソス�ス�スニゑソス�スノ、�スL�ス[�ス�ス�ス[�スh�スuthrow�スv�ス�ス�スg�ス�ス�スト暦ソスO�ス鰍�ス�スワゑソス�スB�ス�ス�スハは暦ソスO�ス�ス�スC�ス�ス�スX�ス^�ス�ス�スX�ス�スV�スK�スノ撰ソス�ス�ス�ス�ス�スト難ソス�ス�ス�スワゑソス�スB

�ス@�ス�ス�ス�ス�スナは、SampleException�スフ暦ソスO�ス鰍�ス�ス�ス�ス�ス�ス�スヘ、name�スフ先頭�スニ最鯉ソスフ空白ゑソス�スネ暦ソス�ス�ス�ス�ス�ス�ス�スハゑソス�スカ趣ソス�ス�スナゑソス�ス�ス鼾�ソス�ス�スApassword�スフ先頭�スニ最鯉ソスフ空白ゑソス�スネ暦ソス�ス�ス�ス�ス�ス�ス�スハゑソス�スカ趣ソス�ス�スフ場合�スニゑソス�スワゑソス�ス�ス�スB�ス�ス�スフとゑソス�スA�スヌゑソス�ス轤ェ�ス�ス�ス�ス�スニなゑソス�スト暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�ス�ス�スフゑソス�ス�ス�ス�ス�ス�ス謔、�ス�スSampleException�ス�スcode�スl�ス�スマゑソス�ストゑソス�スワゑソス�スB

�ス@�スワゑソス�スAname�スノ対会ソス�ス�ス�ス�スpassword�スノ「*�スv�スニゑソス�ス�ス�ス�ス�ス�ス�スェ設定さ�ス�ストゑソス�ス�ス鼾�ソスヘ、�ス�ス�ス�スname�ス�ス�ス�ス�ス�ス�スノなゑソス�ストゑソス�ス�スニ想�ス閧オ�スト、SampleException2�スフ暦ソスO�ス鰍�ス�ス�ス謔、�スノゑソス�ストゑソス�スワゑソス�スB

�ス�スO�ス�ス�スッ趣ソス�スT�ス�ス�スv�ス�ス�スN�ス�ス�スX

�ス@SampleUserApp�スN�ス�ス�スX�ス�ス�スg�スp�ス�ス�スト難ソス�ス�キ�ス�スv�ス�ス�スO�ス�ス�ス�ス�スヘ趣ソス�スフよう�スノなゑソスワゑソス�スBSampleUserApp�スN�ス�ス�スX�ス�スlogin�ス�ス�ス\�スb�スh�ス�ス�ス�ス�ス�ス�ス�スSampleException�ス�スSampleException2�ス�スcatch�スナ受け趣ソス�ス謔、�ス�スtry�ス�ス�ス�ス�スL�スq�ス�ス�ストゑソス�スワゑソス�スB�ス�ス�ス�ス�ス�ス�ス�ス�スs�ス�ス�ス�ストゑソス�ス髀�ソスヤゑソス�ス�ス�ス�ス�ス�ス謔、�スノ、�ス�ス�スラて標�ス�ス�スG�ス�ス�ス[�スo�スヘへ�ソス�スb�スZ�ス[�スW�ス�ス�スo�スヘゑソス�ストゑソス�スワゑソス�スB

package sample24;
public class SampleApp {
    public static void main(String[] args) {
        String[] users = { "Sara", "Akira", "Akira", "Jacky", "" };
        String[] passwords = { "", "777", "111", "abc", "xyz" };
        SampleUserList sample = new SampleUserList();
        for (int i = 0; i < users.length; i++) {
            try {
                System.err.print("i=" + i + ":");
                boolean isLogin = sample.login(users[i], passwords[i]);
                if (isLogin) {
                    System.err.println("�ス�ス�スO�スC�ス�ス�スノ撰ソス�ス�ス�ス�ス�スワゑソス�ス�ス�スB(" + users[i] + ")");
                } else {
                    System.err.println("�ス�ス�スO�スC�ス�ス�スノ趣ソス�スs�ス�ス�スワゑソス�ス�ス�スB");
                }
            } catch (SampleException e1) {
                e1.printStackTrace();
                System.err.println("code[" + e1.getCode() + "]");
            } catch (SampleException2 e2) {
                e2.printStackTrace();
            }
            System.err.println("");
        }
    }
}

�ス�スO�ス鰍�ス�ス�スT�ス�ス�スv�ス�ス�スフ趣ソス�スs�ス�ス�ス�ス

�ス@�ス�ス�ス�ス�ス�ス�ス�スs�ス�ス�ス�スニ、�ス�ス�ス2�スフよう�スノなゑソスワゑソス�スB

�ス�ス�ス2�ス@�ス�ス�スs�ス�ス�ス�ス �ス�ス�ス2�ス@�ス�ス�スs�ス�ス�ス�ス

�ス@name�ス�ス�スuSara�スv�ス�スpassword�ス�ス�ス�ス�スp�ス窒フ包ソス�ス�ス�スセと、SampleUserApp�スN�ス�ス�スX�ス�スlogin�ス�ス�ス\�スb�スh�ス�スSampleException�ス鰍�ス�ス�スフで、�ス�ス�ス�ス�ス�スL�ス�ス�スb�ス`�ス�ス�ス�スcatch�ス゚の擾ソス�ス�ス�ス�ス�ス�ス�スs�ス�ス�ス�スワゑソス�スB�ス�ス�スフ鯉ソス�スハス�ス^�スb�スN�スg�ス�ス�ス[�スX�ス�ス�スo�スヘゑソス�ス黷ス�ス�スAcode�スフ値�スナゑソス�ス�ス2�ス�ス�スo�スヘゑソス�ス�ストゑソス�スワゑソス�スB

�ス@�ス�ス�スノ、name�ス�ス�スuAkira�スv�ス�スpassword�ス�ス�スu777�スv�スフ場合�スヘ撰ソス�ス�ス�ス�ス�ス�ス�スナゑソス�ス驍ス�ス゚暦ソスO�スヘ難ソス�ス�ス�ス�ス黷ク�スノ撰ソス�ス�スノ擾ソス�ス�ス�ス�ス�スI�ス�ス�ス�ス�ストゑソス�スワゑソス�スB

�ス@�ス�ス�スノ、name�ス�ス�スuAkira�スv�ス�スpassword�ス�ス�スu111�スv�スフ場合�スヘ撰ソス�ス�ス�ス�ス�スp�ス�ス�ス�ス�ス[�ス^�ス�スn�ス�ス�ストゑソス�ス驍ス�ス゚パ�スX�ス�ス�ス[�スh�ス�ス�ス�スv�ス�ス�スネゑソス�ス�ス�スハとなるだ�ス�ス�スナ暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�スワゑソス�ス�スB�ス�ス�ス�スname�スuJacky�スv�スヘパ�スX�ス�ス�ス[�スh�ス�ス�スu*�スv�スナ厄ソス�ス�ス�スニなゑソス�ストゑソス�ス驛�ソス[�スU�ス[�スナゑソス�ス驍ス�ス゚、SampleException2�スフ暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�スワゑソス�スB

�ス@�スナ鯉ソスヘ、name�ス�ス�スu""�スv�スナゑソス�ス驍ス�ス゚、SampleException�スフ暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�ストゑソス�スワゑソス�スB�ス�ス�スフよう�スノ、�スモ図�ス�ス�ス�ス�スニゑソス�ス�スノ暦ソスO�ス�ス�ス�ス�ス�ス�ス�ス�スト、�ス�ス�ス�ス�ス�スL�ス�ス�スb�ス`�ス�ス�スト擾ソス�ス�ス�ス�ス�スs�ス�ス�ストゑソス�ス驍ア�スニゑソス�ス�ス�ス�ス�ス�スヘゑソス�スナゑソス�スB

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