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();
 
        //write your code here......
        
 
        System.out.println("英文字母"+words+"數字"+numbers+"空格"+space+"其他"+other);
    }
}

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();
 
        //write your code here......
        for(int i=0;i<str.length();i++){
            char c=str.charAt(i);
            if((c>='a' && c<='z')|| (c>='A' && c<='Z')){
                words++;
                continue;
            }
            if(c>='0' && c<='9' ){
                numbers++;
                continue;
            }
            if(c==' '){
                space++;
                continue;
            }
            else{
                other++;
                continue;
            }
        }
 
        System.out.println("英文字母"+words+"數字"+numbers+"空格"+space+"其他"+other);
    }
}

注意:每次計數完后要跳出循環(huán),否則就取出的字符會挨個問一遍判斷語句出現問題?

到此這篇關于java判斷各類型字符個數實例代碼的文章就介紹到這了,更多相關java判斷字符個數內容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關文章希望大家以后多多支持腳本之家！

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