class Ideone {
public static void main
(String[] args
) { String groupName
= null; // nullデータのため、結合しない String yakusyoku
= null ; // nullデータのため、結合しない
/* 結合処理 */
String ketugo
= nvl
(groupName
) + nvl(companyName)
+ nvl(busyo)
+ nvl(yakusyoku)
+ nvl(tantousya);
}
if (str == null) {
return "";
}
return str;
}
}
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