import java.util.Random;
 
public class MathDemo {
 
	public static void main(String[] args) {
		System.out.println("-10.4的絕對值是："+Math.abs(-10.4));
		System.out.println("55, -10兩個數小的數是："+Math.min(55, -10));
		System.out.println("0.0, -0.0兩個數小的數是："+Math.max(0.0, -0.0));
		//產生隨機數，0.0-1.0
		System.out.println("取0~1之間隨機數"+Math.random());
		double n =new Random().nextDouble();
		System.out.println(n);
	}
}