打印map

package main

import "fmt"

func main() {
    myMap := map[string]int{
        "apple":  1,
        "banana": 2,
        "cherry": 3,
    }

    for key, value := range myMap {
        fmt.Printf("Key: %s, Value: %d\n", key, value)
    }
}

import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] args) {
        Map<String, Integer> myMap = new HashMap<>();
        myMap.put("apple", 1);
        myMap.put("banana", 2);
        myMap.put("cherry", 3);

        for (Map.Entry<String, Integer> entry : myMap.entrySet()) {
            System.out.println("Key: " + entry.getKey() + ", Value: " + entry.getValue());
        }
    }
}

my_map = {
    "apple": 1,
    "banana": 2,
    "cherry": 3
}

for key, value in my_map.items():
    print(f"Key: {key}, Value: {value}")

package main

import (
    "fmt"
    "sort"
)

func main() {
    myMap := map[string]int{
        "apple":  1,
        "banana": 2,
        "cherry": 3,
    }

    keys := make([]string, 0, len(myMap))
    for key := range myMap {
        keys = append(keys, key)
    }
    sort.Strings(keys)

    for _, key := range keys {
        fmt.Printf("Key: %s, Value: %d\n", key, myMap[key])
    }
}