Using IndexOf() Method Use the IndexOf() to find the position of character in string in PowerShell. indexOf() method returns index of first occurrence of character in String. Use IndexOf() Method 1 2 3 4 5 6 $
Last occurrence of a character : String char « Data Type « Java Last occurrence of a character publicclassMain {publicstaticvoidmain(String[] argv)throwsException { String string ="this is another test. a";intindex = string.lastIndexOf('a'); } }...
1. String s = String.valueOf('c'); //效率最高的方法 2. String s = String.valueOf(new char[]'c'}); //将一个char数组转换成String // Character.toString(char)方法实际上直接返回String.valueOf(char) 3. String s = Character.toString('c'); 4. String s = new Character('c').toStri...
publicclassMain{publicstaticvoidmain(String[]args){Stringstr="hello world";chartarget='o';intsecondOccurrence=StringUtil.getSecondOccurrence(str,target);if(secondOccurrence!=-1){System.out.println("Character '"+target+"' second occurrence is at index "+secondOccurrence);}else{System.out.println(...
// replace in foo the occurrence of bar" by "baz" To replace a character at a specified position : public static String replaceCharAt(String s, int pos, char c) { StringBuffer buf = new StringBuffer( s ); buf.setCharAt( pos, c ); ...
Manipulating Characters in a StringThe String class has a number of methods for examining the contents of strings, finding characters or substrings within a string, changing case, and other tasks. Getting Characters and Substrings by Index You can get the character at a particular index within ...
Returns:Anintvalue, representing the index of the first occurrence of the character in the string, or -1 if it never occurs More Examples Example Find the first occurrence of the letter "e" in a string, starting the search at position 5: ...
Finding a Character in a String TheindexOf()method returns theindex(the position) of the first occurrence of a specified text in a string (including whitespace): Example Stringtxt="Please locate where 'locate' occurs!";System.out.println(txt.indexOf("locate"));// Outputs 7 ...
String(char[] value) Allocates a new String so that it represents the sequence of characters currently contained in the character array argument. String(char[] value, int offset, int count) Allocates a new String that contains characters from a subarray of the character array argument....
int indexOf(String str):返回特定String中字符串str的索引。 int indexOf(String str, int fromIndex):返回给定字符串中指定索引fromIndex后,字符串str的索引。 如果在特定String中找不到指定的char/substring,则上述所有函数都返回 -1。 JavaString indexOf()方法示例 ...