import java.util.Scanner;public class threeTest { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入第一条边:"); int a = input.nextInt(); System.out.println("请
DECLARE @x VARCHAR(10); DECLARE @y INT; DECLARE @z VARCHAR(10); SET @x = '1000'; SET @y = '2000'; SET @z = '+3000'; --第一种 SELECT CASE WHEN @x < @y THEN 'TRUE' ELSE 'FALSE' END AS [x<y?], CASE WHEN @y < @z THEN 'TRUE' ELSE 'FALSE' END AS [y<z?]