步骤1:遍历字符串str,截取长度为words中字符串长度的子串 // 定义字符串str和字符串数组wordsStringstr="abccbaabccba";String[]words={"abc","cba"};// 定义子串长度intwordLength=words[0].length();for(inti=0;i<=str.length()-wordLength;i++){StringsubStr=str.substring(i,i+wordLength);// 此处...
for(String word:words){ //去掉空格,和空字符 if(!word.equals(" ")&&!word.equals("")){ num++; } } } bw.write(fileName+","+"单词数"+":"); bw.write(num.toString()); br.close(); bw.close(); return num; } public static int lineNum(String fileName)throws IOException{ Integer...
; // 创建一个Map来存储单词和出现次数 Map<String, Integer> wordCountMap = new HashMap<>(); // 使用正则表达式分割文本并统计单词 String[] words = text.split("\\s+"); for (String word : words) { // 删除标点符号 word = word.replaceAll("[^a-zA-Z]", "").toLowerCase(); // ...
String line = value.toString(); //根据空格将这一行切分成单词 String[] words = line.split(" "); //将单词输出以<单词,1>的格式输出 for (String word : words) { //将单词作为key,将次数1作为value,以便于后续的数据分发,可以根据单词分发, // 以便于相同的单词会到相同的reduce task context.wr...
*/publicbooleanwordBreak(String s,intidx, Map<Character, Set<String>> wordMap){if(idx >= s.length()) {returntrue; } Set<String> words = wordMap.get(s.charAt(idx));if(words !=null) {for(String word : words) {// idx之前的字符已经匹配,假设从ide之后起匹配word单词if(s.startsWith(...
If we are interested in finding the duplicate words along with their count of occureneces in theString, we can use theCollections.frequency(list, item)API that counts the number of times aitemappears in the specifiedlist. Map<String,Integer>dupWordsMapWithCount=newHashMap<>();for(Stringword:...
String source = "Hello World";for (String part : source.split(" ")) { System.out.print(new StringBuilder(part).reverse().toString()); System.out.print(" ");}输出:olleH...
// 示例字符串Stringstr="Hello,World,Java,Programming";// 使用逗号作为分隔符进行分割String[]words=str.split(",");// 输出分割后的子字符串数组for(Stringword:words){System.out.println(word);} join(CharSequence delimiter, Iterable<? extends CharSequence> elements):Java 8及以上版本引入的一个便捷...
使用Document.save(String)方法保存更新的文档。 以下代码示例显示了如何使用Java根据特定的模式查找和替换相似的单词。 // Load a Word DOCX document Document doc = new Document("document.docx"); // Find and replace similar words in the document ...