java 배열 정렬,

 

// you can also use imports, for example:
import java.util.*;

// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");

class Solution {
    public int solution(int[] A) {
        // write your code in Java SE 8

        Arrays.sort(A);

        for(int i=1; i<=100000; i++){
            int j=i;
            if(!Arrays.stream(A).anyMatch(k -> k==j))
                return j;
        }
        return 1;
    }
}

 

Java - 배열 정렬(Sorting) (오름차순, 내림차순) - https://codechacha.com/ko/java-sorting-array/

Java - 배열 정렬(Sorting) (오름차순, 내림차순)

Java의 Effectively final이란 무엇인가? - https://codechacha.com/ko/java-effectively-final-vs-final/

Java의 Effectively final이란 무엇인가?

람다식 문법 - https://hbase.tistory.com/78

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