Can anyone tell me why this wont compile? Its just like an example that my instr

Question

Can anyone tell me why this wont compile? Its just like an example that my instructor showed us

I need help debugging the rest of it

public class OrderedList
{
   private int[] a;
   private int b;
   OrderedList ()
   {
       a = new int[10];
   }
   public void insert (int var)
   {
       int j = 0;
       for (int i= 0; i < b; i++, j++)
       if(var < a[i]) break;
       for (int i = b - 1; i > j; ) a[i] = a[i--];
       a[j]= var;
   }
   public void print ()
   {
       for (int i = 1; i < b; i++)
       {
           if (i%5 ==0) System.out.println();
       System.out.print(a[i] + " ");  
       }
   }
}

Explanation / Answer

To debug it you should include the main method as following

public static void main(String[] args) {
     OrderList t=new OrderList();
     t.insert(11);
     t.print();
    
    }

if you dont get it post the question instead of the program

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