package wsq;
import java.util.Scanner;
public class wsq {
public static void main(String[] args) {
double a,b;
Scanner wsq=new Scanner(System.in);
a=wsq.nextDouble();
b=wsq.nextDouble();
double c=add(a,b);
System.out.println(“两数之和为：”+c);
double w,s;
w=wsq.nextDouble();
s=wsq.nextDouble();
boolean q=aaa(w,s);//用boolean接受两个数是否相等；
System.out.print(“两数是否相等？ “+q);
}
public static double add(double x,double y)//这里使用了add方法来求两个数之和；
{
double c=x+y;
return c;
}
public static boolean aaa(double h,double u)//aaa方法判断两个数是否相等；
{
return h==u;
}

}