Answers
1. public MyClass()
{ value = -1;
}
public MyClass(int value)
{ this.value = value;
}
2. public class Histogram
{
private double sum;
private int n;
public Histogram( )
{
sum = 0.0;
n=0;
}
public void addAndShowOne( int score )
{
if( score < 0 || score > 10 )
System.out.println( score + " is out of range" );
else
{
for( int j = 1; j <= score; j++ )
System.out.print( "*" );
System.out.println( " " + score );
n++;
sum+=score;
}
}
public double getAverage( )
{
return sum / n;
}
}
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