public class Test {
public static void main(String[] args) {
/**
* Math.sqrt()//Calculate the square root
* Math.cbrt()//Calculate the cube root
* Math.pow(a,b)//Calculate the b power of a
* Math.max( , )//Calculate the maximum value
* Math.min( , )//Calculate the minimum value
*/
System.out.println(Math.sqrt(9));//3.0
System.out.println(Math.cbrt(8));//2.0
System.out.println(Math.pow(2, 3));//8.0
System.out.println(Math.max(2.4, 3.8));//3.8
System.out.println(Math.min(2.5, 8.4));//2.5
/**
* Math.abs()//Find the absolute value
*/
System.out.println(Math.abs(-1.5));//1.5
System.out.println(Math.abs(10.5));//10.5
/**
* Math.floor()//Round down, floor means floor;
* Math.ceil()//Round up, ceil means ceiling;
* Math.round()//Round to integer;
* Math.rint()//It is also rounded to the nearest integer; but .5 will take an even number;
*/
System.out.println(Math.floor(10));//10.0
System.out.println(Math.floor(10.5));//10.0
System.out.println(Math.floor(10.7));//10.0
System.out.println(Math.ceil(11.2));//12.0
System.out.println(Math.round(10.5));//11
System.out.println(Math.rint(10.5));//10.0
/**
* Math.random()//Take a random number between 0 and 1 (including 0 but not 1);
*/
System.out.println(Math.random());//0.0883798391075995
System.out.println(Math.random() * 2);//0.35747170018174357
System.out.println(Math.random() + 10);//10.405883407565078
}