6.12mathexam.java

来自「JAVA程序设计的源代码」· Java 代码 · 共 21 行

public class MathExam{
public static void main(String args[]){
System.out.println(Math.abs(-15.8));    
System.out.println(Math.ceil(5.2));   
System.out.println(Math.floor(2.8));    
System.out.println(Math.round(5.8));   
System.out.println(Math.round(5.2));    
System.out.println(Math.min(3,1));    
System.out.println(Math.max(Math.PI,4));   
System.out.println(Math.log(10.0));    //自然对数     
System.out.println(Math.pow(3,2)); 
System.out.println(Math.exp(0.4)); 
double angle=0.221688;   //以弧度为单位的角
System.out.println(Math.tan(angle));    //正切
System.out.println(Math.asin(0.207006));    //反正弦
System.out.println("e is: "+Math.E);
System.out.println("π is: "+Math.PI);
System.out.println(Math.random());    
}
}