import com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException; //导入依赖的package包/类
public static int[] makeRing(int itemid, MapleCharacter partner1, MapleCharacter partner2) throws Exception {
    int[] ringID = {MapleInventoryIdentifier.getInstance(), MapleInventoryIdentifier.getInstance()};
    try {
        addToDB(itemid, partner1, partner2.getName(), partner2.getId(), ringID);
    } catch (MySQLIntegrityConstraintViolationException mslcve) {
        return ringID;
    }
    return ringID;
}
 

import com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException; //导入依赖的package包/类
public static int[] makeRing(int itemId, MapleCharacter player, MapleCharacter partnerPlayer)
        throws Exception {
    int[] makeRingId = {MapleInventoryIdentifier.getInstance(), MapleInventoryIdentifier.getInstance()};
    try {
        addToDB(itemId, player, partnerPlayer.getName(), partnerPlayer.getId(), makeRingId);
    } catch (MySQLIntegrityConstraintViolationException mslcve) {
        return makeRingId;
    }
    return makeRingId;
}