小编use*_*513的帖子

我有一个家庭作业来计算字符串中的特定字符.

例如: string = "America"

输出应为= a appear 2 times, m appear 1 time, e appear 1 time, r appear 1 time, i appear 1 time and c appear 1 time

public class switchbobo {

/**
 * @param args
 */     // TODO Auto-generated method stub
  public static void main(String[] args){
    String s = "BUNANA";
    String lower = s.toLowerCase();
    char[] c = lower.toCharArray(); // converting to a char array
    int freq =0, freq2 = 0,freq3 = 0,freq4=0,freq5 = 0;

    for(int i …