MathTest.java

public class MathTest {

	public static void main(String[] args) {
		System.out.println(Math.PI);
		System.out.println(Math.sqrt(4));
		System.out.println(Math.ceil(3.4));
		System.out.println(Math.floor(3.4));
		System.out.println(Math.random());
		System.out.println(Math.sin(Math.PI / 2));
		System.out.println(Math.sin(Math.toRadians(90)));
	}

}