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Question ID 3863

Given:
1.    package com.company.application;
2.    
3.    public class MainClass {
4.    public static void main(String[] args) {}
5.    }
And MainClass exists in the /apps/com/company/application directory. Assume the CLASSPATH environment variable is set to "." (current directory). Which two java commands entered at the command line will run MainClass? (Choose two.)
 

Option A

A.    java MainClass if run from the /apps directory
 

Option B

B.    java com.company.application.MainClass if run from the /apps directory
 

Option C

C.    java -classpath /apps com.company.application.MainClass if run from any directory
 

Option D

D.    java -classpath . MainClass if run from the /apps/com/company/application directory
 

Correct Answer B,C
Explanation


Question ID 3864

Given:
12.    import java.util.*;
13.    public class Explorer2 {
14.    public static void main(String[] args) {
15.    TreeSet<Integer> s = new TreeSet<Integer>();
16.    TreeSet<Integer> subs = new TreeSet<Integer>();
17.    for(int i = 606; i < 613; i++)
18.    if(i%2 == 0) s.add(i);
19.    subs = (TreeSet)s.subSet(608, true, 611, true);
20.    s.add(629);
21.    System.out.println(s + " " + subs);
22.    }
23.    }
What is the result?
 

Option A

A.    Compilation fails.
 

Option B

B.    An exception is thrown at runtime.
 

Option C

C.    [608, 610, 612, 629] [608, 610]
 

Option D

D.    [608, 610, 612, 629] [608, 610, 629]
 

Option E

E.    [606, 608, 610, 612, 629] [608, 610]
 

Correct Answer E
Explanation

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