将函数放入类中后,我的数组中得到零(0)结果。这是为什么?什么都没有改变我只是在课堂上复制粘贴它们?我还应该在课堂上放什么东西来完成这项工作吗?
import java.util.*;//import library
class Input
{
public Input (int size,int startV,int endingV)
{
//declarations of variables
double difference;
double[] array= new double[size];
array[0]=startV;
//calculating the difference to add on each number in the array
difference=(endingV-startV)/size;
for (int counter=1;counter<size;counter++) //for loop to fill the array
{
array[counter]=array[counter-1] + difference;
}
}
public Input enter(int size,int startV,int endingV)
{
//declarations of variables
double difference;
double[] array= new double[size];
array[0]=startV;
//calculating the difference to add on each number in the array
difference=(endingV-startV)/size;
for (int counter=1;counter<size;counter++) //for loop to fill the array
{
array[counter]=array[counter-1] + difference;
}
return this;
}
}
class Show
{
public Show (int size,double[] array)
{
for (int i=0;i<size;i++) //for loop to print the array
System.out.println("This is the array " + i+ ": " + array[i]);
}
public Show print(int size,double[] array)
{
for (int i=0;i<size;i++) //for loop to print the array
System.out.println("This is the array " + i+ ": " + array[i]);
return this;
}
}
public class Assignment2
{
public static void main(String[] args)
{
//declaring variables
int startV,endingV;
int size=0;
System.out.print("Give the size of the array:");//Print message on screen
size = new Scanner(System.in).nextInt();//asking for the size of array
double[] array= new double[size]; //creation of array
System.out.print("Give the starting value of the array:");
startV = new Scanner(System.in).nextInt();//asking for the starting value of array
System.out.print("Give the ending value of the array:");
endingV = new Scanner(System.in).nextInt();//asking for the last value of array
//calling the functions from the other classes
Input enter= new Input(size,startV,endingV);
Show print= new Show(size,array);
}
}