将逗号分隔的字符串转换为列表 List<String> items = Arrays.asList(str.split("\\s*,\\s*")); 复制代码 1. 2. 上面的代码在定义为的定界符上分割字符串:zero or more whitespace, a literal comma, zero or more whitespace它将把单词放入列表中,并折叠单词
importjava.util.Arrays;importjava.util.List;publicclassMain{publicstaticvoidmain(String[]args){// 初始化一个ListList<String>data=Arrays.asList("数据1","数据2","数据3","数据4","数据5","数据6","数据7");// 将数据分割成每批2个数据的子ListList<List<String>>batches=BatchProcessor.splitIn...
...在文本处理方面,String类常常用于以下任务: 文本搜索和替换:String类的replace和replaceAll方法可用于在文本中搜索指定字符串并进行替换。...:String类的split方法可用于将文本分割成数组,并对每个部分进行进一步处理。...四、String类面试题 在面试中,String类经常是被考察的重点。以下是一些可能出现的面...
publicclassDatabaseSearchimplementsSearch{@OverridepublicList<String>searchDoc(String keyword){System.out.println("数据搜索 "+keyword);returnnull;}} resources 接下来可以在resources下新建META-INF/services/目录,然后新建接口全限定名的文件:com.cainiao.ys.spi.learn.Search,里面加上我们需要用到的实现类 代码...
String(byte[] ascii, int hibyte, int offset, int count) Deprecated. This method does not properly convert bytes into characters. String(byte[] bytes, int offset, int length, String charsetName) Constructs a new String by decoding the specified subarray of bytes using the specified chars...
*@seeString#trim() *@see#delimitedListToStringArray*/publicstaticString[] tokenizeToStringArray(String str, String delimiters) {returntokenizeToStringArray(str, delimiters,true,true); }/*** Tokenize the given String into a String array via a StringTokenizer. ...
The last expression could be used to sort a list; for example: 1Arrays.sort(strArray,2(Strings1,Strings2)->s2.length()-s1.length()); In this case the lambda expression implements theComparatorinterface to sort strings by length.
String temp=infos.get(i).replaceAll(exp, ""); result.add(temp); }returnresult; } //以对应正则表达式分隔字符并且将分隔后的字符串储存进字符串容器中 public List<List<String>> StringSplitByExpToStringList(List<String> strlist,String exp) ...
Returning String Representations Because thenextmethod only returns integers corresponding to underlying event types, you typically need to map these integers to string representations of the events; for example: To Run the Cursor Example To compile and run the cursor example, in a terminal window, ...
Split a string by multiple delimiters Stringstr="how-to-do.in.java";String[]strArray=str.split("-|\\.");//[how, to, do, in, java] 3. Split a String into Maximum N tokens This version of the method also splits the string, but the maximum number of tokens can not exceedlimitarg...