String stringArray[] = str.split(" "); //根据空格要求拆分出所有单词保存到字符串数组中 System.out.println("拆分之后的各个词汇为:"); //输出提示信息 for(int i = 0;i<stringArray.length;i++){ System.out.print(stringArray[i]+"\t"); } } } 代码执行结果如下: 六、替换或修改 终于到最...
String lastWord = str.substring(lastIndex+1,length);//截取出最后一个单词 System.out.println("第一个单词为:"+firstWord); System.out.println("最后一个单词为:"+lastWord); /***1、split()方法拆分出所有单词***/ String stringArray[] = str.split(" "); //根据空格要求拆分出所有单词保存到...
public static String findLongestSubstring(String value) { String[] strings = new String[value.length()]; String longestSub =""; //strip off a character, add new string to array for(int i = 0; i < value.length(); i++){ strings[i] = new String(value.substring(i)); } //debug/...
int length = directBuf.readableBytes(); //分配一个新的数组来保存具有该长度的字节数据 byte[] array = new byte[length]; //将字节复制到该数组 directBuf.getBytes(directBuf.readerIndex(),array); //使用数组、偏移量和长度作为参数调用你的方法 handleArray(array, 0 ,length); } 4、ByteBuf的使用...
String str = "中文字符串";int length = str.getBytes().length;System.out.println("中文字符串长度：" + length);```2. 使用CharSequence接口的length()方法 CharSequence是一个接口，它定义了一组用于获取字符串长度的方法。可以通过将字符串转换为CharSequence类型，并调用其length()方法来获取字符串的长度...
for(inti =0; i < s.length(); i++) { for(intj = i +1; j <= s.length(); j++) { list.add(s.substring(i, j)); } } returnlist; } // 找两个字符串的公共最长子字符串,寻找最短公共子字符串,修改比较器即可 publicstaticString findComStr(String sOne, String sTwo) { ...
问Java正则表达式find()匹配零长度字符串EN请实现一个函数用来匹配包括’.’和’*’的正则表达式。模式...
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startIndex/endIndexis negative or greater than string's length startIndexis greater thanendIndex Example 1: Java substring() With Only Start Index classMain{publicstaticvoidmain(String[] args){ String str1 ="program";// 1st character to the last character ...
System.out.println("Java\n".length()); // 5 System.out.println("Learn Java".length()); // 10 } } Run Code Previous Tutorial: Java String comparetoIgnoreCase() Next Tutorial: Java String replace() Share on: Did you find this article helpful?Our...