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How to make my class iterable?

Theodore David Williams
Ranch Hand

Joined: Dec 21, 2009
Posts: 102
Matthew Brown
Bartender

Joined: Apr 06, 2010
Posts: 4244
    
    7

You need to implement the Iterable<T> interface.

Edit...incidentally, you can get that by looking at the language specification:
14.14.2 The enhanced for statement
The enhanced for statement has the form:
for ( VariableModifiersopt Type Identifier: Expression) Statement
The Expression must either have type Iterable or else it must be of an array type, or a compile-time error occurs.
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 36578
    
  16
Please read this. Closing thread.
 
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