fscotto/oracle-java8-certification
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix

Browse Source
This commit is contained in:
Fabio Scotto di Santolo
2018-10-10 19:55:41 +02:00
parent a662e6da91
commit 08c9522264
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/com/oracle/java8/professional/CollectionTest.java
View File

@@ -7,21 +7,21 @@ import java.util.*;
public class CollectionTest { public class CollectionTest {
public static void main(String[] args) { public static void main(String[] args) {
iteratorForEach(); doIteratorForEachTest();
usingHashSet(); doUsingHashSetTest();
usingMap(); doUsingMapTest();
} }
private static void iteratorForEach() { private static void doIteratorForEachTest() {
System.out.println("\niteratorForEach"); System.out.println("\ndoIteratorForEachTest");
List<String> people = Arrays.asList("Walter", "Skylar", "Jesse"); List<String> people = Arrays.asList("Walter", "Skylar", "Jesse");
for (String name : people) { for (String name : people) {
System.out.println(name); System.out.println(name);
} }
} }
private static void usingHashSet() { private static void doUsingHashSetTest() {
System.out.println("\nusingHashSet"); System.out.println("\ndoUsingHashSetTest");
Set<Impiegato> impiegati = new HashSet<>(); Set<Impiegato> impiegati = new HashSet<>();
impiegati.add(new Impiegato("Mario")); impiegati.add(new Impiegato("Mario"));
impiegati.add(new Impiegato("Maria")); impiegati.add(new Impiegato("Maria"));
@@ -33,8 +33,8 @@ public class CollectionTest {
} }
} }
private static void usingMap() { private static void doUsingMapTest() {
System.out.println("\nusingMap"); System.out.println("\ndoUsingMapTest");
Map<String, String> m = new HashMap<>(); Map<String, String> m = new HashMap<>();
Set<String> s = m.keySet(); Set<String> s = m.keySet();
System.out.println(s.size()); System.out.println(s.size());