E Compilation but runtime error at line 10.
Answer:______
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8.[Select All]
[a]Vector filelist = ((Directory) file).getList();
[b]String[] filelist = file.directory();
[c]Enumeration filelist = file.contents();
[d]String[] filelist = file.list();
[e]Vector filelist = (new Directory(file)).files();
[Correct Choices]
Answer:______
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9.Which most closely matches a description of a Java Map
a) A vector of arrays for a 2D geographic representation
b) A class for containing unique array elements
c) A class for containing unique vector elements
d) An interface that ensures that implementing classes cannot contain duplicate keys
Answer:______
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10.Given the uncompleted method:
1)
2) { success = connect();
3} if (success==-1) {
4} throw new TimedOutException();
5} }
6}}
TimedOutException is not a RuntimeException. Which can complete the method of declaration when added at line 1
A. public void method()
B. public void method() throws Exception
C. public void method() throws TimedOutException
D. public void method() throw TimedOutException
E. public throw TimedOutException void method()
Answer:______
1A
2A
3D
4D
5A
6Answer: B
7A The compiler realizes that the get returns an Object reference which needs a cast to type Integer.
8[d]
9d
10bc