Exemple de la boucle ‘forin’: un type de boucle personnalisé*

Author:


{filelink=4412}

import java.io.IOException;
import java.io.PrintStream;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class ForInTester {

  public ForInTester() {
  }

  public List getList() {
    List list = new LinkedList();

    for (int i = 1; i <= 100; i++) {
      list.add("Item " + i);
    }

    return list;
  }

  public void testForLoop(PrintStream out) throws IOException {
    List list = getList();

    for (Iterator i = list.iterator(); i.hasNext(); ) {
      Object listElement = i.next();
      out.println(listElement.toString());

    }
  }

  public void testForInLoop(PrintStream out) throws IOException {
    List list = getList();

    for (Object listElement : list) {
      out.println(listElement.toString());

    }
  }

  public void testArrayLooping(PrintStream out) throws IOException {
    int[] primes = new int[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 };

    for (int n : primes) {
      out.println(n);
    }
  }

  public void testObjectArrayLooping(PrintStream out) throws IOException {
    List[] list_array = new List[3];

    list_array[0] = getList();
    list_array[1] = getList();
    list_array[2] = getList();

    for (List l : list_array) {
      out.println(l.getClass().getName());
    }
  }

  public void determineListPosition(PrintStream out, String[] args)
    throws IOException {

    List wordList = new LinkedList();

    for (int i=0; i wordList = new LinkedList();

    for (int i=0; i

A Voir sur le même Sujet:

  • boucle FORin js

Leave a Reply

Your email address will not be published. Required fields are marked *