Pre-generics example that uses a collection. : ArrayList « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. ArrayList

Pre-generics example that uses a collection.

      
import java.util.ArrayList;
import java.util.Iterator;

class OldStyle {
  public static void main(String args[]) {
    ArrayList list = new ArrayList();

    list.add("one");
    list.add("two");
    list.add("three");
    list.add("four");

    Iterator itr = list.iterator();
    while (itr.hasNext()) {
      String str = (String) itr.next(); // explicit cast needed here.

      System.out.println(str + " is " + str.length() + " chars long.");
    }
  }
}

   
    
    
    
    
  

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