java 日志异常格式化字符串

/** 异常处理字符串格式化 **/
public class DatabaseException extends Exception{

	public DatabaseException(int transactionID, int queryID,
			String message) {
		super(String.format("(t%d, q%d) %s",transactionID,queryID,message));
	}
    
	public static void main(String[] args){
		try{
			throw new DatabaseException(3,7,"Write Failed");
		}catch(Exception e){
			System.out.println(e);
		}
	}
}

运行结果：
DatabaseException: (t3, q7) Write Failed