import?com.singularsys.jep.*;

/**
?*?An?example?class?to?test?custom?functions?with?Jep.
?*/
class?CustFunc?{
	
	/**
	?*?Constructor.
	?*/
	public?CustFunc（）?{

	}

	/**
	?*?Main?method.?Create?a?new?Jep?object?and?parse?an?example?expression
	?*?that?uses?the?SquareRoot?function.
	?*/
	public?static?void?main（String?args[]）?{
		
		Jep?parser?=?new?Jep（）;????????//?Create?a?new?parser
		String?expr?=?“1?+?half（2）“;
		object?value;
		
		System.out.println（“Starting?CustFunc...“）;
		//?Add?the?custom?function
		parser.getFunctionTable（）.addFunction（“half“?new?Half（））;
		
		try?{
			parser.parse（expr）;?????????????????//?Parse?the?expression
		}?catch?（ParseException?e）?{
			System.out.println（“Error?while?parsing“）;
			System.out.println（e.getMessage（））;
			return;
		}
		
		try?{
			value?=?parser.evaluate（）;????????????????????//?Get?the?value
		}?catch?（EvaluationException?e）?{
			System.out.println（“Error?during?evaluation“）;
			System.out.println（e.getMessage（））;
			return;
		}
		
		System.out.println（expr?+?“?=?“?+?value）;?//?Print?value
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\bin\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\bigdecimal\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\bigdecimal\functions\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\configurableparser\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\configurableparser\matchers\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\configurableparser\tokens\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\functions\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\functions\strings\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\misc\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\misc\bitwise\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\misc\functions\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\misc\javaops\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\parser\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\reals\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\standard\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jep\walkers\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jepexamples\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jepexamples\applets\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jepexamples\consoles\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jepexamples\diagnostics\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\bigdecimal\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\bigdecimal\functions\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\functions\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\perf\
?????目錄???????????0??2008-11-30?15:45??jep-3.3.0-trial\build\com\singularsys\jeptests\perf\tests\
............此處省略986個(gè)文件信息