K是什么意思,从何而来
- 我的代码
package test;
import java.util.Scanner;
public class Demo {
private static int k;
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.println("请输入变量值a");
int a = sc.nextInt();
System.out.println("请输入变量值b");
int b = sc.nextInt();
if(a>0&b>0) {
System.out.println("C的值:"+(Math.sin(a+b*k)));
}else {
if(b<0&a<0) {
System.out.println("C的值:"+(Math.pow((a*b), k)));
}else {
System.out.println("C的值:"+(Math.pow((a-b), 2)));
}
}
}
}