17.1 完整的容器分类法

17.2 填充容器

package net.javabcsx.com.char17;import java.util.ArrayList;import java.util.Collections;import java.util.List;/** * Created by Administrator on 2016/4/14. */class StringAddress{    private String s;    public StringAddress(String s) {        this.s = s;    }    @Override    public String toString() {        return super.toString() + " " + s;    }}public class FillingLists {    public static void main(String[] args) {        List
     
       list = new ArrayList
      
       (                //nCopies将对象拷贝4遍                Collections.nCopies(4, new StringAddress("Hello")));        System.out.println(list);        //复制同一个对象替换容器        Collections.fill(list, new StringAddress("World"));        System.out.println(list);    }}
      
     

一种Generator解决方案