java 14 结合嵌套

package com.java14.myjava;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.junit.Test;

public class ListMapTest {
@Test
public void ListMap()
{
Map <Integer,Map<String,List<String>>> allbuillding =new HashMap <Integer,Map<String,List<String>>>();
for (int i=1 ;i<=10;i++)
{
Map<String,List<String>> allcells = new HashMap<String,List<String>>();
for(int j=1;j<=3;j++)
{
List<String> allnames=new ArrayList<String>();
for(int k=1;k<=5;k++){
allnames.add("TOM"+i+"栋"+j+"单元"+k+"户");
}
allcells.put(i+"栋"+j+"单元", allnames);
}
allbuillding.put(i, allcells);
System.out.println(allbuillding +"\r\n");
}

}

}