Merge remote-tracking branch 'origin/master'

This commit is contained in:
Roman Shevchenko
2015-07-21 09:17:29 +02:00
279 changed files with 3211 additions and 2214 deletions
@@ -0,0 +1,39 @@
// "Replace lambda with method reference" "false"
import java.util.Arrays;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
class Test {
public static void main(String[] args) {
List<String> l = Arrays.asList("America", "Britain", "Australia", "Brazil", "Canada");
System.out.println(l);
System.out.println(uniquifyListByProperty(l, Function.identity()));
System.out.println(uniquifyListByProperty(l, s -> s.charAt(0)));
}
static <T, P> List<T> uniquifyListByProperty(List<T> list, Function<T, P> propertyExtractor) {
return list.stream()
.map(item -> new Object() {
@Override
public boolean equals(Object o) {
return propertyExtractor.apply(item).equals(
propertyExtractor.apply(this.getClass().cast(o).item()));
}
@Override
public int hashCode() {
return propertyExtractor.apply(item).hashCode();
}
T item() {
return item;
}
})
.distinct()
.map(o -> o.<caret>item())
.collect(Collectors.toList());
}
}
@@ -0,0 +1,11 @@
class Base {
public Base(String... ignored) { }
}
class Derived extends Base {
int i;
public Derived(int i, String... ignored) {
super(ignored);
this.i = i;
}
}
@@ -0,0 +1,8 @@
class Base {
public Base(String... ignored) { }
}
class Derived extends Base {
int i;
<caret>
}