public class Class_of_var {
public String[] su_name =new String[100];
}
`public class Main_Class {
public void show_all(int a)
{
Class_of_var arr = new Class_of_var() ;
for (int i = 0; i < a; i++)
{
System.out.println("Surname " + arr.su_name[i]);
}
}
public static void main(String[] agrs)
{
Add_Car Car=new Add_Car();
Main_Class m = new Main_Class() ;
Scanner sc = new Scanner(System.in);
int x = 1;
int a = 0;
do
{
int y=0;
System.out.println("enter 1 to add a car");
System.out.println("enter 3 to show all cars infromation");
y=sc.nextInt();
switch (y)
{
case 1:
*emphasized text*
Car.add_car(a);
a++;
break;
case 3:
*when i call the s_name in class_of_var the value will be null * System.out.println("the a number" + a); m.show_all(a); break;
}
} while (x == 1);
}
}
public class Add_Car {
Class_of_var arr = new Class_of_var() ;
public void add_car(int a)
{
Scanner sc = new Scanner(System.in);
System.out.println("enter the surname of owner");
arr.su_name[a] = sc.nextLine();
}
} `
