参考代码:
import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int c = scanner.nextInt(); while(c-- != 0) { int n = scanner.nextInt(); int []arr = new int[n]; for(int i = 0; i < n; i++) arr[i] = scanner.nextInt(); Arrays.sort(arr); System.out.println(arr[1]); } } }
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