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Решение задачи 1 #198

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Решение задачи 1 #198

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36 changes: 35 additions & 1 deletion src/com/school/faang/hashmap/задача_1/Solution.java
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Original file line number Diff line number Diff line change
@@ -1,7 +1,41 @@
package com.school.faang.hashmap.задача_1;

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

public class Solution {

private static Map<String, Integer> videoLikes = new HashMap<>();

public static void likeVideo(String videoId) {
Integer currentLikes = videoLikes.get(videoId);
if (currentLikes == null) {
videoLikes.put(videoId, 1);
} else {
videoLikes.put(videoId, currentLikes + 1);
}
}

public static int getLikes(String videoId) {
return videoLikes.getOrDefault(videoId, 0);
}

public static void main(String[] args) {

videoLikes.put("dQw4w9WgXcQ", 0);
videoLikes.put("abc123", 0);
videoLikes.put("xyz789", 0);

likeVideo("dQw4w9WgXcQ");
likeVideo("dQw4w9WgXcQ");
likeVideo("abc123");
likeVideo("xyz789");
likeVideo("abc123");
likeVideo("dQw4w9WgXcQ");

System.out.println("Likes for dQw4w9WgXcQ: " + getLikes("dQw4w9WgXcQ"));
System.out.println("Likes for abc123: " + getLikes("abc123"));
System.out.println("Likes for xyz789: " + getLikes("xyz789"));
System.out.println("Likes for unknownId: " + getLikes("unknownId"));
}
}
}