以下要输出“hello,world!”正确的是？ A: String s=String.format("%1s%2s","hello","world");System.out.println(s); B: String s=String.format("%1$s,%2$s","hello","world");System.out.println(s); C: String s=String.format("%s,%s","hello","world");System.out.println(s); D: String s=String.format("%1s,%2s","hello","world");System.out.println(s);

hive创建表并指定列分隔符的正确的HQL是（ ）。 A: create table dbtest(id int, name string) row format delimited terminate by ','; B: create table dbtest(int id, string name) row format delimited by ','; C: create table dbtest(id int, name string) row format delimited fields terminated by ','; D: create table dbtest(int id, string name) row format delimited columns fields terminated by ',';

String Format(Date date) 将时间重新格式化成字符串显示( )

DateFormat类常用方法有（） A: tatic DateFormat getDateInstance(int style) B: static DateFormat getDateInstance() C: Date parse(String source) D: String format(Date date)

以下哪些是自定义属性format支持的类型。 A: float B: string C: integer D: enum

string类是.net的内建类，用来表示字符串。它封装了许多对字符串进行操作的方法，例如string.format()可以格式化字符串，string.Split()用来分隔字符串。它们都是静态方法

Which of the followings are mentioned in the format types of invitation letter in this lesson? A: Block format B: Modified format C: Small format D: Big format

The most widely used format in a business letter is ___________, and in the letter of this format each line starts from the leftmost side, without any space left. A: indented format B: modified block format C: mixed format D: block / full format

以近似分数形式输出数据的命令为（ ） A: format short B: format long C: format rat D: format bank

下面关于format()的使用,错误的是( )。 A: "{0:M^10.3f}".format(5985.7380) B: "{0:.2d}".format(452.6570) C: "{0:.3}".format("Good") D: "{0:3}".format(1234)