java 容器

Posted 2020-06-28 麦好

package dplearn;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class Learn {
	public static void main(String[] args){
		List myList=new ArrayList();
		Basicinfo myBasic=new Basicinfo("虎头牌笔记本",3.5f,"red");
	    myList.add(myBasic);
		myBasic=new Basicinfo("A4纸",3.5f,"white");
	    myList.add(myBasic);
		myBasic=new Basicinfo("B2铅笔",3.5f,"black");
	    myList.add(myBasic);
	    Iterator iterator=myList.iterator();
	    while (iterator.hasNext()){
	    	Basicinfo bsinfo=(Basicinfo)iterator.next();
	    	System.out.println(bsinfo.info());
	    }
	}
}

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http://blog.csdn.net/myhaspl/

package dplearn;

public class Basicinfo {
	String name;
	float price;
	String color;
	public Basicinfo(){
		name="";
	    price=0;
	    color="";
	}
	public Basicinfo(String name,float price,String color){
		this.name=name;
		this.price=price;
		this.color=color;
	}
	public String info(){
		return this.name+"=>"+this.price+"=>"+this.color;
	}
}