1、string.substring(from):此时相当于从from位置截取到原字符串末尾 代码语言:javascript 代码运行次数:0 1vars="hello";2s.substring(1);//就是从下标为1的字符(这里是'e')开始起到字符串末尾全部截取,最终获得子串"ello" 2、string.substring(from, to):从from位置截取到to-1的位置 代码语言:javascript 代...
String firstWord = str.substring(0,firstIndex); //截取出第一个单词 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 st...
String firstWord = str.substring(0,firstIndex); //截取出第一个单词 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 st...
String str = "Java is a popular programming language."; String[] words = str.split(" "); String searchStr = "programming"; boolean found = false; for (String word : words) { if (word.equals(searchStr)) { found = true; break; } } if (found) { System.out.println("Substring ...
String szTemp = "小明正在学习Java编程";String szSearch = "编程";// 使用indexOf查找子串"编程"intnIndex = szTemp.indexOf(szSearch);// 若nIndex不等于-1,说明已查找到子串 if( nIndex != -1 ){ // 从szTemp截取已查找到的子串 String szSub = szTemp.substring(nIndex,nIndex+szSearch....
Similarily, we can search for thesubstring between indices 2 to 8. Assertions.assertEquals("llo Wo",str.substring(2,8)); 2.2. Using onlybeginIndex When we do not pass theendIndexargument, the substring is taken up to the last character of the string. In other words, if not specified, ...
public String substring(int beginIndex,int endIndex);诀窍:取前不取后,length = endIndex-beginIndex;"unhappy".substring(2); //happy "smiles".substring(1,5); //mile 3|44. 字符产相等比较:public boolean equals(String str); 字符串对象调用String类的equals方法,比较当前字符串对象是否与参数制定的字...
System.out.println("abc"); String cde = "cde"; System.out.println("abc" + cde); String c = "abc".substring(2,3); String d = cde.substring(1, 2); The class String includes methods for examining individual characters of the sequence, for comparing strings, for searching strings, fo...
for (int i = 0; i < n; i++) { if (v1[i] != cs.charAt(i)) { return false; } } //以上代码都不成立,走到最后直接返回true return true; } 私有方法,非同步方式(线程不安全)比较与 AbstractStringBuilder 是否相等,实则是与其子类:StringBuffer, StringBuilder 比较大小,contentEquals(CharSequence...
substring(1); } // 用下划线将原始字符串分割 String[] camels = name.split("_"); for (String camel : camels) { // 跳过原始字符串中开头、结尾的下换线或双重下划线 if (camel.isEmpty()) { continue; } // 首字母大写 result.append(camel.substring(0, 1).toUpperCase()); result.append(...