private String defaultValue()
	{
		String val = "";
		switch (this.keyType)
		{
			case BOOLEAN:
			{
				val = "false";
				break;
			}
			case DOUBLE:
			{
				val = "0";
				break;
			}
			case FLOAT:
			{
				val = "0";
				break;
			}
			case INT:
			{
				val = "0";
				break;
			}
			case LONG:
			{
				val = "0";
				break;
			}
			case STRING:
			{
				val = "";
				break;
			}
		}
		return val;
	}