split(" "); String searchStr = "programming"; boolean found = false; for (String word : words) { if (word.equals(searchStr)) { found = true; break; } } if (found) { System.out.println("Substring found."); } else { System.out.println("Substring not found."); } 1. 2. 3...
extensionSeparator; public Filename(String str, char sep, char ext) { fullPath = str; pathSeparator = sep; extensionSeparator = ext; } public String extension() { int dot = fullPath.lastIndexOf(extensionSeparator); return fullPath.substring(dot + 1); } // gets filename without extension...
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...
= -1 ){// 输出子串的索引位置System.out.println("查找子串索引位置为：" + nIndex);// 从szTemp截取已查找到的子串String szSub = szTemp.substring(nIndex,nIndex+szSearch.length());// 输出子串System.out.println(szSub);}else{System.out.printf("没有查找到子串：%s",szSearch);}}}程序...
1、通过subString()方法来进行字符串截取,返回字符串中的子字符串,在java中有两种用法 第一种,传递一个参数: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 //该子字符串从指定索引处的字符开始,直到此字符串末尾。publicStringsubstring(int beginIndex) ...
* 为了避免其他地方出现>导致关键词挖取混乱,尽量使用长一点的字符串挖取*/String s= string.substring(string.indexOf("style=\"color:red\">") + 18,string.length());if(sb.toString().indexOf(s)==-1){ sb.append(s+" "); } }catch(Exception e) { ...
// for(int i = 0;i<str.length();i++) { // // } while(str.indexOf(strRes)!=-1) { inti = str.indexOf(strRes); n++; str = str.substring(i+1); } returnn; } //方法二: publicintsearch2(String str,String strRes) { ...
Returns the index within this string of the last occurrence of the specified substring. C# 复制 [Android.Runtime.Register("lastIndexOf", "(Ljava/lang/String;)I", "")] public int LastIndexOf(string str); Parameters str String the substring to search for. Returns Int32 the index of ...
Here is a simple program for the substring in java. packagecom.journaldev.util;publicclassStringSubstringExample{publicstaticvoidmain(String[]args){Stringstr="www.journaldev.com";System.out.println("Last 4 char String: "+str.substring(str.length()-4));System.out.println("First 4 char String:...
the substring to search for. Returns Int32 the index of the first occurrence of the specified substring, or -1 if there is no such occurrence. Attributes RegisterAttribute Remarks Returns the index within this string of the first occurrence of the specified substring. The returned index is ...