Designing Classes - Java Concepts - page 524

public int k(int n)
{
if (n < 0)
{
int k = Ċn;
int n = (int) (Math.sqrt(k));
return n;
}
else return n;
}
public int m(int k)
{
int a;
for (int n = 1; n <= k; n++)
a = a + n;
for (int n = k; n >= 1; n++)
a = a + n;
return a;
}
private int n;
}

΢ Exercise R8.29. What is a qualified name? What is an unqualified name?

΢΢ Exercise R8.30. When you access an unqualified name in a method, what
does that access mean? Discuss both instance and static features.

΢΢ Exercise R8.31. Every Java program can be rewritten to avoid import
statements. Explain how, and rewrite RectangleComponent.java
from Chapter 2 to avoid import statements.

΢ Exercise R8.32. What is the default package? Have you used it before this
chapter in your programming?

΢΢T Exercise R8.33. What does JUnit do when a test method throws an
exception? Try it out and report your findings.

Additional review exercises are available in WileyPLUS.

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