摘要:
do while循环会至少循环一次 // for each public class Main { public static void main(String[] args) { int[] ns = { 1, 4, 9, 16, 25 }; for (int n : ns) { System.o 阅读全文
摘要:
新 单值 // switch public class Main { public static void main(String[] args) { String fruit = "apple"; int opt = switch (fruit) { case "apple" -> 1; case 阅读全文
摘要:
1.取最大 SELECT SINGLE MAX( begda ) INTO @DATA(lv_max_begda) FROM pa0530. 2.限制行数 UP TO 1 ROWS. 3.FILTER DATA(lt_result) = FILTER #( itab WHERE start_date 阅读全文