Pass Parameter In Array

JavaPassesByValue, but sometimes you want PassByReference.

Therefore: Pass the parameter wrapped in an array:

  void addOne (int[] arg)
    {
    arg [0] = arg [0] + 1;
    }

  ...

  int a[] = new int [1] {2};
  addOne (a);
  System.out.println (a [0] );

  3

However: This smells funny, so see AlternativesToPassByReference

See also: PassParameterInWrapperObject

CategoryJava

EditText of this page (last edited July 6, 2004)
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