//: Unsupported.java
//////////////////////////////////////////////////
// Copyright (c) Bruce Eckel, 1998
// Source code file from the book "Thinking in Java"
// All rights reserved EXCEPT as allowed by the
// following statements: You can freely use this file
// for your own work (personal or commercial),
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/////////////////////////////////////////////////

// Sometimes methods defined in the Collection
// interfaces don't work!
package c08.newcollections;
import java.util.*;

public class Unsupported {
  private static String[] s = {
    "one", "two", "three", "four", "five",
    "six", "seven", "eight", "nine", "ten",
  };
  static List a = Arrays.toList(s);
  static List a2 = Arrays.toList(
    new String[] { s[3], s[4], s[5] });
  public static void main(String[] args) {
    Collection1.print(a); // Iteration
    System.out.println(
      "a.contains(" + s[0] + ") = " + 
      a.contains(s[0]));
    System.out.println(
      "a.containsAll(a2) = " + 
      a.containsAll(a2));
    System.out.println("a.isEmpty() = " +
      a.isEmpty());
    System.out.println(
      "a.indexOf(" + s[5] + ") = " + 
      a.indexOf(s[5]));
    // Traverse backwards:
    ListIterator lit = a.listIterator(a.size());
    while(lit.hasPrevious())
      System.out.print(lit.previous());
    System.out.println();
    // Set the elements to different values:
    for(int i = 0; i < a.size(); i++)
      a.set(i, "47");
    Collection1.print(a);
    // Compiles, but won't run:
    lit.add("X"); // Unsupported operation
    a.clear(); // Unsupported
    a.add("eleven"); // Unsupported
    a.addAll(a2); // Unsupported
    a.retainAll(a2); // Unsupported
    a.remove(s[0]); // Unsupported
    a.removeAll(a2); // Unsupported
  }
} ///:~