翻译自Tom Baeyens的《Process Component Models: The Next Generation In Workflow ?》
WS-BPEL
什么是BPEL
WS-BPEL是服务编排的OASIS标准。服务编排意味着利用其它服务编写新的服务。这里是对BPEL流程的简约剖...
Which declarations of identifiers are legal?
A. $persons
B. TwoUsers
C. *point
D. this
E. _endline
翻译下面哪些是合法的标识符。
答案 A,B,E //www.javaedu.com.cn
解析 Java的标识符可以以一个Uni...
Which of the following range of short is correct?
A. -27 -- 27-1
B. 0 -- 216-1
C. ?215 -- 215-1
D. ?231 -- 231-1
翻译下面哪些是short型的取值范围。
答案 C
解析 短整型的数据类型的长度是16 bits,...
What happens when you try to compile and run the following application? Choose all correct options.
1. public class Z {
2. public static void main(String[] args) {
3. new Z();
4. }
...
What does the following paint() method draw?
1. public void paint(Graphics g) {
2. g.drawString(“Any question”, 10, 0);
3. }
A. The string “Any question?”, with...
True or False: Readers have methods that can read and return floats and doubles.
A. Ture
B. False
解答:B
点评: Reader/Writer只处理Unicode字符的输入输出。float和double可以通过stream进...
Which two statements are true for the class java.util.TreeSet? (Choose two)
A. The elements in the collection are ordered.
B. The collection is guaranteed to be immutable.
C. The elements ...
Which of the following lines of code will compile without error?
A.
int i=0;
if (i) {
System.out.println(“Hi”);
}
B.
boolean b=true;
boolean b2=true;
i...