shows the modern, generic form of collection classes : ArrayList « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. ArrayList

shows the modern, generic form of collection classes

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

class NewStyle {
  public static void main(String args[]) {

    ArrayList<String> list = new ArrayList<String>();

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

    Iterator<String> itr = list.iterator();

    while (itr.hasNext()) {
      String str = itr.next(); // no cast needed

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

   
    
    
    
    
  

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