我国的园林树木资源具有明显的特色,主要有以下四个方面:
Given: 11. static class A { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println("B "); } 16. } 17. public static void main(String[] args) { 18. A a = new B(); 19. a.process(); 20. } What is the result? () Compilation fails because of an error in line 19.。 An exception is thrown at runtime.。 B。 Compilation fails because of an error in line 18.。 Compilation fails because of an error in line 15. 。 The code runs with no output.。
发电机,主要变压器的非计划检修或停止备用,应予先()小时提前申请。
Click the Exhibit button. Which statement is true about the set variable on line 12?() The set variable contains all six elements from the coll collection, and the order is guaranteed to be preserved.。 The set variable contains only three elements from the coll collection, and the order is guaranteed to be preserved.。 The set variable contains all six elements from the coll collection, but the order is NOT guaranteed to be preserved.。 The set variable contains only three elements from the coll collection, but the order is NOT guaranteed to be preserved.。
班级保教人员的言谈举止对幼儿具有极强的示范作用,这说明班级保教工作具有的特点是() 直接性。 全面整体性。 创造性。 开放性。
商品劳务课税是对()课征的税收。