Question

java编程题,编写程序,提供实现各种数学计算的方法,并调用这些方法进行计算,包括如下几项：1:两个数的乘、除:2求某数

Answer 1

public static double multiple(double a,double b){return a*b;}

public static double dvd(double a,double b){return a/b;}

public static double op(double a){return a*-1;}

public static double daoshu(double a){return 1/a;}

public static double abs(double a){return Math.abs(a);}