class?Four?{
	public?Four（String?text）?{
		sb?=?new?StringBuffer（）;
		this.text?=?text;
		str?=?this.text.toCharArray（）;
		
		toBeSolute?=?str;
	}
	String?getResult?（）?{
		return?sb.toString（）?;
	}

	StringBuffer?getStringBuffer（）?{
		return?sb;
		
	}
	public?static?final?int?MAX?=?100;
	
	StringBuffer?sb;

	int?m?=?0?sum?=?0;//?sum用于計算運算符的個數

	//?m用于標記輸入表達式中字符的個數
	String?text?=?new?String（““）;

	char?JG?=?‘A‘;

	char[]?toBeSolute;

	char[]?str?=?new?char[MAX];//?用于存輸入表達式

	int?token?=?0;//?左括號的標志

	/**?*********用于更改計算后數組中的值*************?*/
	void?change（int?e）?{

		int?f?=?e?+?2;
		char?ch?=?str[f];
		if?（ch?>=?‘A‘?&&?ch?<=?‘Z‘）?{
			for?（int?l?=?0;?l?				if?（str[l]?==?ch）
					str[l]?=?JG;
			}
		}

		if?（str[e]?>=?‘A‘?&&?str[e]?<=?‘Z‘）?{
			for?（int?i?=?0;?i?				if?（str[i]?==?str[e]）
					str[i]?=?JG;
			}
		}

	}

	void?chengchuchuli（int?i?int?m）?{

		i++;
		for?（;?i?<=?m?-?1;?i++）//?處理乘除運算
		{
			if?（str[i]?==?‘*‘?||?str[i]?==?‘/‘）?{

				System.out.println（“（“+（char）（JG+32）+“）“+“（“?+?str[i]?+?“??“?+?str[i?-?1]?+?“??“
						+?str[i?+?1]?+?“??“?+?JG?+?“）“）;
				sb.append（“（“+（char）（JG+32）+“）“+“（“?+?str[i]?+?“??“?+?str[i?-?1]?+?“??“
						+?str[i?+?1]?+?“??“?+?JG?+?“）“+“\n“）;
				change（i?-?1）;
				str[i?-?1]?=?str[i]?=?str[i?+?1]?=?JG;
				sum--;
				JG++;
			}
		}
	}

	void?jiajianchuli（int?j?int?m）?{
		j++;
		for?（;?j?<=?m?-?1;?j++）//?處理加減運算
		{
			if?（str[j]?==?‘+‘?||?str[j]?==?‘-‘）?{
				System.out.println（“（“+（char）（JG+32）+“）“+“（“?+?str[j]?+?“??“?+?str[j?-?1]?+?“??“
						+?str[j?+?1]?+?“??“?+?JG?+?“）“）;
				sb.append（“（“+（char）（JG+32）+“）“+“（“?+?str[j]?+?“??“?+?str[j?-?1]?+?“??“
						+?str[j?+?1]?+?“??“?+?JG?+?“）“+“\n“）;
				change（j?-?1）;
				str[j?-?1]?=?str[j]?=?str[j?+?1]?=?JG;
				sum--;
				JG++;
			}

		}
	}

	/*?掃描一遍從文件中讀入表達式?*/
	void?scan（）?{
		int[]?p?=?new?int[MAX];
		char?ch?=?‘a‘;
		int?c?=?-1?q?=?0;
		for?（int?i?=?0;?i?			
			ch?=?toBeSolute[i];

			str[m++]?=?ch;

			if?（ch?==?‘=‘?||?ch?==?‘+‘?||?ch?==?‘-‘?||?ch?==?‘*‘?||?ch?==?‘/‘）
				sum++;

			else?if?（ch?==?‘（‘）?{
				p[++c]?=?m?-?1;

			}?else?if?（ch?==?‘）‘）?{
				q?=?m?-?1;
				chengchuchuli（p[c]?q）;//?從左括號處理到又括號
				jiajianchuli（p[c]?q）;
				JG--;
				str[p[c]]?=?str[m?-?1]?=?JG;
				c--;
				JG++;

			}
		}
	}

	/*?對表達是進行處理并輸出部分四元式?*/
	void?siyuanshi（）?{

		for?（int?i?=?0;?i?<=?m?-?1;?i++）//?處理乘除運算
		{
			if?（str[i]?==?‘*‘?||?str[i]?==?‘/‘）?{

				System.out.println（“（“+（char）（JG+32）+“）“+“（“?+?str[i]?+?“??“?+?str[i?-?1]?+?“??“
						+?str[i?+?1]?+?“??“?+?JG?+?“）“）;
				sb.append（“（“+（char）（JG+32）+“）“+“（“?+?str[i]?+?“??“?+?str[i?-?1]?+?“??“
						+?str[i?+?1]?+?“??“?+?JG?+?“）“+“\n“）;
				change（i?-?1）;
				str[i?-?1]?=?str[i]?=?str[i?+?1]?=?JG;
				sum--;
				JG++;
			}

		}

		for?（int?j?=?0;?j?<=?m?-?1;?j++）//?處理加減運算
		{
			if?（str[j]?==?‘+

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????390??2008-09-13?09:18??ZhongJianDaiMa\.project

?????文件????????226??2008-09-13?09:18??ZhongJianDaiMa\.classpath

?????文件???????4510??2008-09-21?15:20??ZhongJianDaiMa\Four.java

?????文件???????3686??2008-09-21?15:44??ZhongJianDaiMa\JMain.java

?????文件???????4297??2008-09-21?15:20??ZhongJianDaiMa\Three.java

?????文件???????2213??2008-09-21?15:20??ZhongJianDaiMa\ZJMain.java

?????文件???????4324??2008-09-28?08:53??ZhongJianDaiMa\Four.class

?????文件????????600??2008-09-28?08:53??ZhongJianDaiMa\JMain$5.class

?????文件????????578??2008-09-28?08:53??ZhongJianDaiMa\JMain$1.class

?????文件???????3355??2008-09-28?08:53??ZhongJianDaiMa\JMain.class

?????文件???????1021??2008-09-28?08:53??ZhongJianDaiMa\JMain$3.class

?????文件???????1063??2008-09-28?08:53??ZhongJianDaiMa\JMain$4.class

?????文件???????1353??2008-09-28?08:53??ZhongJianDaiMa\JMain$2.class

?????文件???????4191??2008-09-28?08:53??ZhongJianDaiMa\Three.class

?????文件???????2056??2008-09-28?08:53??ZhongJianDaiMa\ZJMain.class

?????目錄??????????0??2008-09-13?09:18??ZhongJianDaiMa

-----------?---------??----------?-----??----

????????????????33863????????????????????16