/** * Delete any character in a given String. * @param inString the original String * @param charsToDelete a set of characters to delete. * E.g. "az\n" will delete 'a's, 'z's and new lines. * @return the resulting String */ public static String
三种java 去掉字符串中的重复字符函数 public static void main(string[] args) { system.out.println(removerepeatedchar("ddddccffgd")); } public static string removerepeatedchar(string s) { if (s == null) return s; stringbuilder sb = new stringbuilder(); , len = s.
Java判断一个字符串str中中文的个数,经过总结,有以下几种方法(全部经过验证),可根据其原理判断在何种情况下使用哪个方法: 1. char[] c = str.toCharArray(); for(int i = 0; i < c.length; i ++) { String len = Integer.toBinaryString(c[i]); if(len.length() > 8) count ++; } 根据一个中文占两个字节,假如一个字符的字节数大于8,则判断为中文. 2 . S
#include <stdio.h> #include <string.h> #define NR(x) sizeof(x)/sizeof(x[0]) int Del_char(const char *input, char *output) { int i , j , k = 0; int flag ; int len ; //判断输入输出的字符串数组是否为空 if(input == NULL || output == NULL) { //如果为空,返回错误码 return -1