JavaAPI--lang包相关练习题

第一题

第二题

 

第三题，第四题，第五题

 

第六题（五星题）

 

开发实践题

1.要得到字符串 "select * from member where memberId = 10086"

已知条件：

String sql = "select * from member where 1=1";

StringBuffer sb = new StringBuffer(sql);

String ids[] = {"where ","memberId ","10086"};

后面怎么写？利用append实现。

2.要得到字符串 "delete from member where 1=1 and id = 1 and id =2 and id=3"

已知条件

String sql = "delete from member where 1 = 1";

StringBuffer sb = new StringBuffer(sql);

String ids[] = {"1","2","3"};

怎么写？利用append实现。

3.输出名字中有“艳”的名字

String names[] = {"张小艳"","大熊熊","花儿朵朵","花无期","小不点","妖艳货色","艳阳天"};

4.输出后缀名是.jpg的

String images[] ={"小猫猫.png","小花花.jpg","小不点.png","小乖乖.bmp","鼠标.jpg","键盘.jpg","白月光.mp3"};.

5.输出刘姓员工

String  employees[] = {"张新成","肖战","刘青云","刘易斯","张学友","易烊千玺","王源","胡歌","刘少云","迪丽热巴","刘德华"};

6.输出名字含四个字的

String  employees[] = {"张新成","肖战","刘青云","刘易斯","张学友","易烊千玺","王源","胡歌","刘少云","迪丽热巴","刘德华"};