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編譯原理課下作業(yè),簡(jiǎn)易計(jì)算器的java實(shí)現(xiàn),GCU
編譯原理課下作業(yè),簡(jiǎn)易計(jì)算器的java實(shí)現(xiàn),GCU
代碼片段和文件信息
package?experiment1;
import?java.util.ArrayList;
import?java.util.List;
/**
?*?Created?by?haol?on?2016/11/3.
?*/
public?class?AnalyseStr?{
????????public?static?int?i?=?0;
????????//isNumStr?記錄是否遍歷在數(shù)字串中,是的話則數(shù)字包括Zero和。并記錄數(shù)字串的開頭?否則?無
????????//一旦便利到數(shù)字?則一直便利內(nèi)部i++不跳出while循環(huán),直到遇到非數(shù)字和第一個(gè)‘.‘
????????public?static?boolean?isNumStr?=?false;
????????public?List?analyStr(String?str)?throws?Exception?{
????????????????i?=?0;
????????????????isNumStr?=?false;
????????????????str?=?str.trim();
????????????????List?tokens?=?new?ArrayList();
????????????????int?begin?=?0;
????????????????while?(i?????????????????????????String?thisStr?=?str.substring(i?i?+?1);
????????????????????????if?(this.analyseIsNum(thisStr)?)?{
????????????????
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-01-09?20:27??experiment1\
?????文件????????9403??2016-11-17?20:30??experiment1\AnalyseStr.java
?????文件????????1291??2016-11-17?20:28??experiment1\Complie_1.java
?????文件????????1579??2018-02-27?17:22??experiment1\FormatOut.java
?????文件?????????549??2016-11-04?23:19??experiment1\read.txt
?????文件?????????773??2016-11-17?22:20??experiment1\ReadText.java
?????文件????????2257??2016-11-17?20:05??experiment1\Token.java
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