第四周作业-键盘输入数据 和 数据类型

public class MathDemo{public static void main(String args[] ){System.out.println("abs(-5) ="  +Math.abs(-5));System.out.println("max(6.75,3.14)="  +Math.max(6.75,3.14));System.out.println("min(100,200) ="  +Math.min(100,200));System.out.println("round(3.5)="  +Math.round(3.5));System.out.println("-6.5)=" +Math.round(-6.5));System.out.println("sqrt(2)=" +Math.sqrt(2));System.out.println("pow(2,5)="+ Math.pow(2,5));System.out.println("E=" + Math.E);System.out.println("exp(2)=" + Math.exp(2));System.out.println("log(2)=" + Math.log(2));System.out.println("ceil(6.75)=" +(int)Math.ceil(6.75));System.out.println("floor(6.75)="+(int)Math.floor(6.75));System.out.println("Pi="+ Math.PI);System.out.println("sin(Pi/4)="+Math.sin(Math.PI/4));System.out.println("COS(1)=" + Math.cos(1));}}