java笔记2：java静态导入

package com.ntt.packgeType;

import static java.lang.Math.*;
public class StaticImport {
    public static void main(String[] args) {
        //double a = Math.sin(1) * Math.sin(2) * Math.cos(4);
        /*书写方式简略方便，等同于上行*/
        double a = sin(1) * sin(2) * cos(4);
    }
}