Java 解法, 执行用时: 23ms, 内存消耗: 10764KB, 提交时间: 2022-02-08

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>='0'&& c<='9'){
                numbers++;
           }else if(c>='a' && c<='z' || c>='A' && c<='Z'){
                words++;
               }else if(c==' '){
                space++;
         }else{
                other++;
      }
            
        }

        System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
    }
}

Java 解法, 执行用时: 24ms, 内存消耗: 10528KB, 提交时间: 2022-02-09

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 ch=str.charAt(i);
            if(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z'){
                words++;
            }else if(ch>='0'&&ch<='9'){
                numbers++;
            }else if(ch==' '){
                space++;
            }else{
                other++;
            }
        }

        System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
    }
}

Java 解法, 执行用时: 26ms, 内存消耗: 10436KB, 提交时间: 2021-10-30

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++){
            if(Character.isDigit(str.charAt(i))){
                numbers++;
            }else if(Character.isAlphabetic(str.charAt(i))){
                words++;
            }else if(Character.isSpace(str.charAt(i))){
                space++;
            }else{
                other++;
            }
        }

        System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
    }
}

Java 解法, 执行用时: 26ms, 内存消耗: 10500KB, 提交时间: 2022-02-08

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'){
                words++;
            }else if(c>='A'&&c<='Z'){
                words++;
            }else if(c>='0'&&c<='9'){
                numbers++;
            }else if(c==' '){
                space++;
            }else{
                other++;
            }
        }
    
        System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
    }
}

Java 解法, 执行用时: 26ms, 内存消耗: 10576KB, 提交时间: 2021-11-19

import java.util.Scanner;
import java.util.regex.*;

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();

//        System.out.println(symbolNumber.string(s,"[a-z|A-Z]")); 			//字母个数
//        System.out.println(symbolNumber.string(s,"[0-9]")); 				//数字个数
        String r1="[a-z|A-Z]";//字母匹配
        String r2="[0-9]";//数字匹配
        String r3="\\s";

        Pattern p1=Pattern.compile(r1);
        Pattern p2=Pattern.compile(r2);
        Pattern p3=Pattern.compile(r3);

        Matcher m1=p1.matcher(str);
        Matcher m2=p2.matcher(str);
        Matcher m3=p3.matcher(str);

        while (m1.find())
        {
            words++;
        }

        while (m2.find())
        {
            numbers++;
        }

        while (m3.find())
        {
            space++;
        }

        other=str.length()-words-numbers-space;






        //write your code here......
        

        System.out.println("英文字母"+words+"数字"+numbers+"空格"+space+"其他"+other);
    }
}