有一个字符串 “aaddfdfdercfghfyttefsfsfewretr123trefg5624sdfcgvfdgte6435234532”,现在需要取出里面出现次数最多的字符 第一种方法-装饰器 class get_max_count_string: def __init__(self,func): self.func=func self.count={} def __call__(self, args): for s in args:
public class CountJava{ public static void main(String[] args){ String str = "dnajjavaNISLjavaERBjavafvsbdjavaFALjavaEUIcjavazs"; int count = 0; int index = 0; while(str.indexOf("java") != -1){ index = str.indexOf("java"); st
话不多说,直接上代码........... public static void main(String[] args) { String str="I'm go to swimming"; Set<String> set=new HashSet<>(); for (int i = 0; i < str.length(); i++) { String s = str.substring(i, i+1); set.add(s); } Iterator<