OnJava8-Examples/containers/LinkedHashMapDemo.java
2015-04-20 15:36:01 -07:00

30 lines
947 B
Java

//: containers/LinkedHashMapDemo.java
// What you can do with a LinkedHashMap.
import java.util.*;
import net.mindview.util.*;
import static net.mindview.util.Print.*;
public class LinkedHashMapDemo {
public static void main(String[] args) {
LinkedHashMap<Integer,String> linkedMap =
new LinkedHashMap<Integer,String>(
new CountingMapData(9));
print(linkedMap);
// Least-recently-used order:
linkedMap =
new LinkedHashMap<Integer,String>(16, 0.75f, true);
linkedMap.putAll(new CountingMapData(9));
print(linkedMap);
for(int i = 0; i < 6; i++) // Cause accesses:
linkedMap.get(i);
print(linkedMap);
linkedMap.get(0);
print(linkedMap);
}
} /* Output:
{0=A0, 1=B0, 2=C0, 3=D0, 4=E0, 5=F0, 6=G0, 7=H0, 8=I0}
{0=A0, 1=B0, 2=C0, 3=D0, 4=E0, 5=F0, 6=G0, 7=H0, 8=I0}
{6=G0, 7=H0, 8=I0, 0=A0, 1=B0, 2=C0, 3=D0, 4=E0, 5=F0}
{6=G0, 7=H0, 8=I0, 1=B0, 2=C0, 3=D0, 4=E0, 5=F0, 0=A0}
*///:~