public class MathExample {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		     System.out.printf("PI to 3 decimal places = %.3f\n", Math.PI);
		     System.out.printf("E to 3 decimal places = %.3f\n", Math.E);

		     int x = 10, y = -5, z = -20; 

		     int a1;

		     a1 = Math.abs(x);
		     System.out.println("Absolute value of " + x + " is " + a1);
		     System.out.println("Absolute value of " + y + " is " + Math.abs(y) );
		     System.out.println("Absolute value of " + z + " is " + Math.abs(z) );

		     double ans = Math.pow(y,3);
		     int answer = (int)ans;
		     System.out.println(y + " raised to the power of 3 = " + answer); 

		     System.out.println(x + " raised to the power of 4 = " + (int)Math.pow(x, 4) ); 
		     
		     double a = 3.54;
		     
		     System.out.println("Round of " + a + " is " + Math.round(a));
		     System.out.println("Ceil of " + a + " is " + Math.ceil(a) );
		     System.out.println("Floor of" + a + " is " + Math.floor(a) );

		     double randNum;
		     //[0.0~1.0)
		     randNum = Math.random();
		     System.out.println("Random number is: " + randNum);
		     
		     for(int i=0; i <10; i++)
		     {
		     //[1~6]
		     int dieRoll = (int)(Math.random() * 6) + 1;
		     System.out.println("Rolling a die: " + dieRoll);
		     }

		     

		  }

	}