Basic HTML version of Foils prepared Sept 21 1998

Foil 25 Methods for Vectors

From Java Tutorial 98- 4: Multi-Treading, Useful Java Classes, I/O and Networking NAVO Tutorial -- Sept 23 1998. by Geoffrey C. Fox, Nancy McCracken
1 Elements are created with the addElement( ... ) method:
  • Order missouri = new Order();
  • orders.addElement( missouri );
2 The object missouri of type Order is automatically converted to an Object and added to Vector instance orders defined on the previous foil.
3 There are methods for indexing vectors. Like arrays, the indexing is zero-based.
  • x = (Typeofx) v.elementAt(i);
  • v.setElementAt( x, i );
4 The length of the Vector may also be obtained:
  • int size = v.size;
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