Signature _____________________ CSE 11 Name ________________________
Quiz 5
cs11f ____ Fall 2010 Student ID ____________________
This quiz is to be taken by yourself with closed books, closed notes, no calculators.
Given the following partial class definition for Point,
fill in the blanks to complete the class definition:
Assume you are given the array definition below and the array is properly initialized:
public class Point
{
private int x;
private int y;
public Point( int x, int y )
{
setX( x );
setY( y );
}
public int getX()
{
____________________________;
}
public int getY()
{
____________________________;
}
public void setX( int x )
{
___________________________;
}
public void setY( int y )
{
___________________________;
}
}
Point[] points = new Point[42];
// Assume array points is properly and fully initialized here
Without using any extra variables other than the variable points, write the single Java statement to change
the last Point's y value to be the same value as the first Point's x value. Do not use any magic numbers or
integer constants other than 0 or -1.
____________________________________________________________________________________
If we tried to access points[42], what Runtime exception would be thrown?
____________________________________________________________________________________
Given the following expressions, indicate whether
the expressions evaluate to true or false.
String s1 = new String( "CSE 11" );
String s2 = s1;
String s3;
s3 = "CSE 11";
s1 == s2 __________
s1.equals( s2 ) __________
s1 == s3 __________
s1.equals( s3 ) __________
s1 == "CSE 11" __________
s3 == "CSE 11" __________
