import?java.util.*;
import?java.util.regex.*;
public?class?expressionParser?
{
	//解析括號...
	public?static?String??parseCurves（String?expression）{
		//構造matcher
		String?regex=“\\（[^\\（\\）]+\\）“;//匹配（）
		Pattern?pattern=Pattern.compile（regex）;
		Matcher?matcher=pattern.matcher（expression）;
		String?finalRes=expression;
		while（matcher.find（））{
			String	group=matcher.group（）;
			String??result=thenCalculate（priorCalculate（group.substring（1group.length（）-1）））;
			finalRes=matcher.replaceFirst（result）;
			matcher.reset（finalRes）;
	
		}
		return?finalRes;
		}


	public?static?String?priorCalculate（String?expression）{
	
		//單一運算符的計算，先計算*/
		String??m_dOperate=“（[^\\+\\-\\*/]+）（[\\*/]）（[^\\+\\-\\*/]+）“;
		Pattern?pattern1=Pattern.compile（m_dOperate）;
		Matcher?matcher1=pattern1.matcher（expression）;
		String?finalExp=expression;
		while（matcher1.find（））{
			double?d1=Double.parseDouble（matcher1.group（1）.trim（））;
			double?d2=Double.parseDouble（matcher1.group（3）.trim（））;
			String?operator=matcher1.group（2）;