Computer Science: Programming with a Purpose Week 5 Quiz Answer

In this article i am gone to share Coursera Course Computer Science: Programming with a Purpose Week 5 | Functions and Libraries Quiz Answer with you..

Functions and Libraries

Question 1)

Which of the following appear in a method's signature? Mark all that apply.

method body

method name

return statement

parameter variable types

parameter variable names

Question 2)

Which of the following is a variable's scope in a Java library?

all the code in the same block as the declaration
all the code following the declaration, in the same block
all the code in the library following the declaration
all the code in the same method as the declaration
all the code in the library

Question 3)

Consider this static method:

public static String duplicate (String s)

{

String t - s+ s;

return t;

}

What does this code fragment print?

String s1 = "Hi";

s1 = duplicate (s1) ;

String t1 = "Bye";

t1 = duplicate(duplicate (t1));

StdOut.println (s1 + t1):

HiHIByeByeByeBye

Question 4)

Which of the following are properties of modular programming? Mark all that apply.

Enables code reuse

Complicates debugging

Separation of clients from implementations

Independent development of programs of manageable size

Development of all the code for a task within a single module

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