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public interface Doable
{
int myInt = 10;
boolean canDoIt1();
int doIt2(int num);
}public interface Doable
{
[b]public static final[/b] int myInt = 10;
[b]public[/b] boolean canDoIt1();
[b]public[/b] int doIt2(int num);
}public class ComputeSqrt
{
private double number;
public ComputeSqrt(double number)
{
setNumber(number);
}
public void setNumber(double number)
{
if (number >= 0)
{
this.number = number;
}
}
public double getNumber()
{
return this.number;
}
public double computeSqrt()
{
return Math.sqrt(this.number);
}
}int number = ...; // number you want to test if prime
boolean isPrime = true;
if (number < 2 || (number % 2 == 0 && number != 2))
{
isPrime = false;
}
for (int i = 3; i < number && isPrime; i++)
{
if (number % i == 0)
{
isPrime = false;
}
}