Answer:
ar1 is a reference variable holding a reference to the array object.
ar1 is a reference variable holding a reference to the array object.
class ArrayOps
{ // the parameter x refers to the data
int findMax( int[] x ) // this method is called with.
{
int max = x[0];
for ( int index=0; index <x.length; index++ )
if ( x[index] > max )
max = x[index] ;
return max ;
}
}
class ArrayDemo
{
public static void main ( String[] args )
{
int[] ar1 = { -20, 19, 1, 5, -1, 27, 19, 5 } ;
ArrayOps operate = new ArrayOps(); // create an ArrayOps object
int biggest = operate.findMax( ar1 ); // call the findMax() method with the array
System.out.println("The maximum is: " + biggest );
}
}
The method findMax() gets a reference to the array, so it can
access the elements of that array object.
When you run the program it prints out "The maximum is: 27". You might want to copy this program to a file (call it ArrayDemo.java) and play with it.
The complete program contains both classes. If you are using BlueJ, make each a separate class (which will correspond to separate files).
During one run of the program, how many arrays are created?