java泛型：有关ArrayList用泛型和不用泛型的一个添加名言和删除名言的对比例子

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package arraylist;

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

public class FamousQuotes {
	private static ArrayList listOfFamousQuotes;
	private static ArrayList<String> listOfFamousQuotesTypechecked;
	
	public static void main(String[] args) {
		FamousQuotes app = new FamousQuotes();
		
		System.out.println("没有引用泛型添加三个人说的三句名言");
		app.bulidList();
		app.printList();
		System.out.println("=======================");

		
		System.out.println("引用泛型添加三个人说的三句名言");
		app.bulidCheckedList();
		app.printCheckedList();
		System.out.println("========================");
		
		System.out.println("没有泛型版本的删除方式指定人说的名言");
		String strAuthor = "Winston Churchill";
		System.out.println("删除这个人说的名言后再输出看看还有没有这个人说的话  "+strAuthor);
		app.expurgate(listOfFamousQuotes, strAuthor);
		app.printList();
		
		System.out.println("有泛型版本的删除方式指定人说的名言");
		System.out.println("删除这个人说的名言后再输出看看还有没有这个人说的话  "+strAuthor);
		app.expurgateCheckedList(listOfFamousQuotesTypechecked, strAuthor);
		app.printCheckedList();
		
	}
	//没有泛型添加三个人说的三句名言
	void bulidList()
	{
		listOfFamousQuotes = new ArrayList();
		listOfFamousQuotes.add("Where there is love there is life - Mahatma Gandhi");
		listOfFamousQuotes.add("A joke is a very serious thing - Winston Churchill");
		listOfFamousQuotes.add("In the end,everything is a gag -Charlie Chaplin");
	}
	//有泛型添加三个人说的三句名言
	void bulidCheckedList()
	{
		listOfFamousQuotesTypechecked = new ArrayList<String>();
		listOfFamousQuotesTypechecked.add("Where there is love there is life - Mahatma Gandhi");
		listOfFamousQuotesTypechecked.add("A joke is a very serious thing - Winston Churchill");
		listOfFamousQuotesTypechecked.add("In the end,everything is a gag -Charlie Chaplin");
	}
	//没有泛型输出三个人说的三句名言
	void printList()
	{
		Iterator listIterator = listOfFamousQuotes.iterator();
		while(listIterator.hasNext())
		{
			String quote = (String)listIterator.next();
			System.out.println(quote);
		}
	}
	//有泛型输出三个人说的三句名言
	void printCheckedList()
	{
		Iterator<String> quoteIterator = listOfFamousQuotesTypechecked.iterator();
		while(quoteIterator.hasNext())
		{
			String quote = quoteIterator.next();
			System.out.println(quote);
		}
	}
	//没泛型删除
	void expurgate(Collection c,String strAuthor)
	{
		for(Iterator i=c.iterator();i.hasNext();)
		{
			if(((String)i.next()).contains(strAuthor))
			{
				i.remove();
			}
		}
	}
	//有泛型的删除
	void expurgateCheckedList(Collection<String> c,String strAuthor)
	{
		for(Iterator<String> i = c.iterator();i.hasNext();)
		{
			if(i.next().contains(strAuthor))
			{
				i.remove();
			}
		}
	}

}

java泛型：有关ArrayList用泛型和不用泛型的一个添加名言和删除名言的对比例子

标签：io   ar   java   for   on   cti   ad   as   new   

原文地址：http://blog.csdn.net/u012110719/article/details/41446411