public static void main(String[] args) {Scanner in = new Scanner(System.in);String s = in.nextLine();char[] c = s.toCharArray();//每一个字符 都是一个数组元素StringBuilder ans = new StringBuilder();StringBuilder a = new StringBuilder();for (int i = c.length - 1; i >= 0; i--...
importjava.util.Scanner;publicclassMain{publicstaticvoidmain(String []args){Scanner sc=newScanner(System.in);StringBuilder s=newStringBuilder("");//long start = System.currentTimeMillis();intn =sc.nextInt();for(inti=0;i<1002;i++){s.append(" ");} StringBuilder a=newStringBuilder("");fo...
2.3 代码1 class Solution { public int lengthOfLongestSubstring(String s) { StringBuilder stringBuilder = new StringBuilder(); int l = 0; for (int i = 0; i < s.length(); i++) { String c = String.valueOf(s.charAt(i)); if (stringBuilder.indexOf(c) >= 0) { stringBuilder.delete(...
publicstaticvoid main(String[] args) { String s0 = "kvill"; String s1 = new String("kvill"); String s2 = new String("kvill"); System.out.println( s0 == s1 ); //false System.out.println( "***" ); s1.intern(); //虽然执行了s1.intern(),但它的返回值没有赋给s1 s2 = s2...
stringRedisTemplate获取自增加 stringbuilder获取指定字符串,文章目录1.前言2.常用方法2.1字符串构造2.2String对象的比较1.==比较是否引用同一个对象2.比较是否相同3.比较大小4.忽略大小写,比较大小2.3字符串查找2.4字符串替换&拆分2.5转化1.数字和字符串转化2.大小
myStringBuilder = frRoomans, Romans, friends, iends Thank you using System; using System.Text; class MainClass { public static void Main() { StringBuilder myStringBuilder = new StringBuilder(); myStringBuilder.Append("friends"); myStringBuilder.Insert(2, "friends, "); myStringBuilder.Insert(2...