27 lines
565 B
Java
27 lines
565 B
Java
package Maths;
|
|
|
|
import java.util.Random;
|
|
|
|
public class AbsoluteValue {
|
|
|
|
public static void main(String[] args) {
|
|
Random random = new Random();
|
|
|
|
/* test 1000 random numbers */
|
|
for (int i = 1; i <= 1000; ++i) {
|
|
int randomNumber = random.nextInt();
|
|
assert absVal(randomNumber) == Math.abs(randomNumber);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If value is less than zero, make value positive.
|
|
*
|
|
* @param value a number
|
|
* @return the absolute value of a number
|
|
*/
|
|
public static int absVal(int value) {
|
|
return value < 0 ? -value : value;
|
|
}
|
|
}
|