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[BAEL-3392] Formatted code examples for [BAEL-3392]

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This commit is contained in:
Martin van Wingerden
2019-11-01 09:05:12 +01:00
parent b264937ac6
commit af3b4b8a5f
2 changed files with 22 additions and 22 deletions
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8
core-java-modules/core-java-streams-3/src/test/java/com/baeldung/streams/debug/Example1.java
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@@ -1,17 +1,17 @@
package com.baeldung.streams.debug; package com.baeldung.streams.debug;
import org.junit.Test; import static org.assertj.core.api.Assertions.assertThat;
import java.util.stream.IntStream; import java.util.stream.IntStream;
import static org.assertj.core.api.Assertions.assertThat; import org.junit.Test;
public class Example1 { public class Example1 {
@Test @Test
public void whenDebugging_thenInformationIsShown() { public void whenDebugging_thenInformationIsShown() {
int[] listOutputSorted = IntStream.of(-3, 10, -4, 1, 3) int[] listOutputSorted = IntStream.of(-3, 10, -4, 1, 3)
.sorted() .sorted()
.toArray(); .toArray();
assertThat(listOutputSorted).isSorted(); assertThat(listOutputSorted).isSorted();
} }

36
core-java-modules/core-java-streams-3/src/test/java/com/baeldung/streams/debug/Example2.java
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@@ -1,35 +1,35 @@
package com.baeldung.streams.debug; package com.baeldung.streams.debug;
import com.baeldung.streams.debug.entity.Customer; import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import java.util.Optional; import java.util.Optional;
import java.util.stream.Stream; import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat; import org.junit.Test;
import com.baeldung.streams.debug.entity.Customer;
public class Example2 { public class Example2 {
@Test @Test
public void whenDebugging_thenInformationIsShown() { public void whenDebugging_thenInformationIsShown() {
List<Optional<Customer>> customers = Arrays.asList( List<Optional<Customer>> customers = Arrays.asList(
Optional.of(new Customer("John P.", 15)), Optional.of(new Customer("John P.", 15)),
Optional.of(new Customer("Sarah M.", 78)), Optional.of(new Customer("Sarah M.", 78)),
Optional.empty(), Optional.empty(),
Optional.of(new Customer("Mary T.", 20)), Optional.of(new Customer("Mary T.", 20)),
Optional.empty(), Optional.empty(),
Optional.of(new Customer("Florian G.", 89)), Optional.of(new Customer("Florian G.", 89)),
Optional.empty()); Optional.empty()
);
long numberOf65PlusCustomers = customers long numberOf65PlusCustomers = customers.stream()
.stream() .flatMap(c -> c.map(Stream::of)
.flatMap(c -> c .orElseGet(Stream::empty))
.map(Stream::of) .mapToInt(Customer::getAge)
.orElseGet(Stream::empty)) .filter(c -> c > 65)
.mapToInt(Customer::getAge) .count();
.filter(c -> c > 65)
.count();
assertThat(numberOf65PlusCustomers).isEqualTo(2); assertThat(numberOf65PlusCustomers).isEqualTo(2);
} }