master
黄金河 4 years ago
commit 751af44b3d

@ -0,0 +1,26 @@
public class jjcc {
public static void main(String[] args)
{
System.out.println(add(1,2));
System.out.println(sub(1,2));
System.out.println(mul(1,2));
System.out.println(div(1,2));
}
public static double add(double a,double b)
{
return a+b;
}
public static double sub(double a,double b)
{
return a-b;
}
public static double mul(double a,double b)
{
return a*b;
}
public static double div(double a,double b)
{
return (double)a/b;
}
}
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