operationinfo.java

一个简单的数据库

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package database;
import java.lang.Exception;
/**
 *
 * @author outlaw
 */
public class OperationInfo extends Exception{
    String info;
    
    public OperationInfo(String info){
        this.info=info;
    }
    public String toString(){
        return this.info;
    }
}