attempted to resolve issue #4

package com.example.a8_bitinvader;

class TestPositive {

   <T extends Number> boolean amIPositive(T num) {

      return (num.doubleValue() > 0);

   }

}

 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>

 */

public class ExampleUnitTest {

    /**

     *

     * @param num A number of type T

     * @return true iff num is greater than 0

     * @param <T> A type that extends Number

     */

    <T extends Number> boolean amIPositive(T num) {

        return (num.doubleValue() > 0);

    }

    @Test

    public void addition_isCorrect() {

        assertEquals(4, 2 + 2);

    }

    @Test

    public void testAmIPositive() {

        assertTrue(amIPositive(0.3));