题解 | #判断各类型字符个数#
判断各类型字符个数
https://www.nowcoder.com/practice/4ccc155e474e4d4c83cfde116dcf2218
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
int numbers = 0;
int words = 0;
int space = 0;
int other = 0;
Scanner scanner = new Scanner(System.in);
String str = scanner.nextLine();
char arr[] = str.toCharArray();
for(int i = 0; i < arr.length;i++){
if((arr[i] >= 'a' && arr[i] <= 'z') || (arr[i] >= 'A' && arr[i] <= 'Z')) {
words ++;
}else if(arr[i]>= '0' && arr[i] <= '9'){
numbers++;
}else if(arr[i] == ' '){
space++;
}else{
other++;
}
}
//write your code here......
System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
}
}
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