JAVA认证历年真题：310-025精选题（32）

会计考友 · 发表于 2012-8-4 12:33:16

310-025精选题（32）的具体内容如下：
115. A question about the GridbagLayout. One alternative.
116. You have been given a design document for an employee system for implementation in Java. It states.
An Employee has a vector of bla bla, dates for meetings, number of dependants (what is this???)
A. Vector
B. Int
C. Date
D. Object
E. New employee e;
Which variables should you use?
Answer:
A, B, C. (Not sure. Don't remember exactly how the question was posed)
117. You have been given a design document for a polygon system for implementation in Java. It states. A polygon is drawable. You must access it. It has a vector and corners bla bla
choose between the following words: What will you write when defining the class?
public
class
Polygon
object
extends
Shape
drawable
plus some more
Answer:
public class Polygon implements drawable
118. A question about stacks. Only one correct answer.
A. (Is it possible to have stack objects in a String) Code contained + "" + stack2 + "" +
B. (Is it possible to write stack1 = stack2;)
C. Prints bla bla bla
D. Prints bla bla
E. Prints bla bla
119. Threads: Which statements are true about threads stopping to execute?
A. All threads in the same class stop at the same time
B. The suspend() method stops the thread so that you can not start it again
C.
D.
C or D.

会计考友 · 发表于 2012-8-4 12:33:17

120. Which statements are true about garbage collection?
A. Garbage collection is predictable.
B. You can mark a variable or an object, (telling the system) so that it can be garbage collected
C. .....
D. .....
C or D.(not sure)
121. Consider the following code. What will be on the output. No Exception is thrown.
public class Mock2ExceptionTest{
public static void main(String [] args){
Mock2ExceptionTest e = new Mock2ExceptionTest();
e.trythis();
}
public void trythis(){
try{
System.out.println("1");
problem();
System.out.println("1b");
}
catch(Exception x){
System.out.println("3");
}
finally{
System.out.println("4");
}
System.out.println("5");
}
public void problem()throws Exception{
//throw not any Exception();
}
}
A. 1
B 1b
C. 3
D. 4
E. 5
ABDE.
No exception is thrown and everything except 3 will be printed.

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[考试试题] JAVA认证历年真题：310-025精选题（32）

JAVA认证历年真题：310-025精选题（32）