Find_center_of_star_graph_java

class Solution {
    public int findCenter(int[][] edges) {
        int n = edges.length + 1;
        int[] edgeCount = new int[n + 1];
        
        for (int[] edge : edges) {
            int x = edge[0];
            int y = edge[1];
            edgeCount[x]++;
            edgeCount[y]++;
            
            if (edgeCount[x] > 1) {
                return x;
            }
            
            if (edgeCount[y] > 1) {
                return y;
            }
        }
        
        return 0;
    }
}