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AbsoluteValue.java

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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;

}

}