Problem of transmission of the data of the object of the table via an IF statement

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  Published by: Seamus on February 20, 2011 08:25
  
  Published by: Seamus on February 20, 2011 08:26

  Seamus wrote:
  I thought that I sent my method by using the x.set table, and then by calling the reversed with the x.get table.

  x.Set (someArray) in fact to 'send an array to the method '.

  And if x.get () is declared to return an array, then, Yes, it indeed 'retrieve a table. "

  However, these are two completely different methods. The get method doesn't know something on the table sent via the set method unless the game puts a place who knows himself. For example, something like this:

  public class X {
    private int[] arr;
  
    public void set(int[] arr) {
      this.arr = arr;
    }
  
    public int[] get() {
      reverse arr and return it
    }
  }
  
  public class Main {
    public static void main(String[] args) {
      int[] arr1 = {1, 2, 3};
      X x = new X();
      x.set(arr);
      int[] arr2 = x.get();
    }
  }
  

  However, this seems a bit unusual. It is not clear from your initial post, but looks like it is supposed to be a single method that takes the array and it reverses. If so, you could either simply invert the table and returns nothing, since the variable of the appellant and the parameter of the method will all be pointing to the same table object, or you could return a reference to the table that you have received and reversed, or you can copy the table, reverse the copy and return a reference to that.

  I don't know what your needs are, but the point is that it is more common to call a single method to do something like that, rather than separate set() and get() methods.

  Edited by: jverd February 20, 2011 09:36

  Edited by: jverd February 20, 2011 09:37

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