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Q17. View the exhibit.
Given the code fragment:
Which change enables the code to print the following?
James age: 20
Williams age: 32
A. Replacing line 5 with public static void main (String [] args) throws MissingInfoException, AgeOutofRangeException {
B. Replacing line 5 with public static void main (String [] args) throws.Exception {
C. Enclosing line 6 and line 7 within a try block and adding: catch(Exception e1) { //code goes here} catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here}
D. Enclosing line 6 and line 7 within a try block and adding: catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here}
Answer: C
Q18. Given: What is the result?
A. The program prints nothing
B. d
C. A StringIndexOutOfBoundsException is thrown at runtime.
D. AnArrayIndexOutOfBoundsException is thrown at runtime.
E. A NullPointerException is thrown at runtime.
Answer: C
Q19. Given the class definitions:
And the code fragment of the main() method,
What is the result?
A. Java Java Java
B. Java Jeve va
C. Java Jeve ve
D. Compilation fails
Answer: D
Q20. Given: What is the result?
A. 100 210
B. Compilation fails due to an error in line n1
C. Compilation fails due to an error at line n2
D. Compilation fails due to an error at line n3
Answer: C
Q21. Given the code fragment
Which code fragments, inserted independently, enable the code compile?
A. t.fvar = 200;
B. cvar = 400;
C. fvar = 200; cvar = 400;
D. this.fvar = 200; this.cvar = 400;
E. t.fvar = 200; Test2.cvar = 400;
F. this.fvar = 200;
Test2.cvar = 400;
Answer: B
Q22. Given the code fragment:
int b = 3;
if ( !(b > 3)) {
System.out.println("square ");
}{
System.out.println("circle ");
}
System.out.println("...");
What is the result?
A. square...
B. circle...
C. squarecircle...
D. Compilation fails.
Answer: C
Q23. Which statement is true about java.util.stream.Stream?
A. A stream cannot be consumed more than once.
B. The execution mode of streams can be changed during processing.
C. Streams are intended to modify the source data.
D. A parallel stream is always faster than an equivalent sequential stream.
Answer: B
Q24. A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the results?
A. Compilation fails.
B. The third argument is given the value null.
C. The third argument is given the value void.
D. The third argument is given the value zero.
E. The third argument is given the appropriate falsy value for its declared type. F) An exception occurs when the method attempts to access the third argument.
Answer: A