OnJava8-Examples/collectiontopics/FillMapTest.java

// collectiontopics/FillMapTest.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.util.*;
import java.util.function.*;
import java.util.stream.*;
import onjava.*;

public class FillMapTest {
  public static void main(String[] args) {
    Map<String,Integer> mcs = FillMap.basic(
      new Rand.String(4), new Count.Integer(), 7);
    System.out.println(mcs);
    HashMap<String,Integer> hashm =
      FillMap.create(new Rand.String(4),
        new Count.Integer(), HashMap::new, 7);
    System.out.println(hashm);
    LinkedHashMap<String,Integer> linkm =
      FillMap.create(new Rand.String(4),
        new Count.Integer(), LinkedHashMap::new, 7);
    System.out.println(linkm);
  }
}
/* Output:
{npcc=1, ztdv=6, gvgm=3, btpe=0, einn=4, eelo=5, uxsz=2}
{npcc=1, ztdv=6, gvgm=3, btpe=0, einn=4, eelo=5, uxsz=2}
{btpe=0, npcc=1, uxsz=2, gvgm=3, einn=4, eelo=5, ztdv=6}
*/