commit
a5dfae0dc3
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@ -1,48 +1,48 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>core-java-12</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-12</name>
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<packaging>jar</packaging>
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<url>http://maven.apache.org</url>
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>core-java-12</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-12</name>
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<packaging>jar</packaging>
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<url>http://maven.apache.org</url>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencies>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>${maven.compiler.source.version}</source>
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<target>${maven.compiler.target.version}</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>${maven.compiler.source.version}</source>
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<target>${maven.compiler.target.version}</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<maven.compiler.source.version>12</maven.compiler.source.version>
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<maven.compiler.target.version>12</maven.compiler.target.version>
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<assertj.version>3.6.1</assertj.version>
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</properties>
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<properties>
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<maven.compiler.source.version>12</maven.compiler.source.version>
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<maven.compiler.target.version>12</maven.compiler.target.version>
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<assertj.version>3.6.1</assertj.version>
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</properties>
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</project>
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@ -16,62 +16,56 @@ import static org.assertj.core.api.Assertions.assertThat;
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*/
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public class CollectorsUnitTest {
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@Test
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public void whenTeeing_ItShouldCombineTheResultsAsExpected() {
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List<Integer> numbers = Arrays.asList(42, 4, 2, 24);
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Range range = numbers.stream()
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.collect(teeing(
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minBy(Integer::compareTo),
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maxBy(Integer::compareTo),
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(min, max) -> new Range(min.orElse(null), max.orElse(null))
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));
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@Test
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public void whenTeeing_ItShouldCombineTheResultsAsExpected() {
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List<Integer> numbers = Arrays.asList(42, 4, 2, 24);
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Range range = numbers.stream()
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.collect(teeing(minBy(Integer::compareTo), maxBy(Integer::compareTo), (min, max) -> new Range(min.orElse(null), max.orElse(null))));
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assertThat(range).isEqualTo(new Range(2, 42));
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}
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assertThat(range).isEqualTo(new Range(2, 42));
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}
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/**
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* Represents a closed range of numbers between {@link #min} and
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* {@link #max}, both inclusive.
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*/
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private static class Range {
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/**
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* Represents a closed range of numbers between {@link #min} and
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* {@link #max}, both inclusive.
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*/
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private static class Range {
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private final Integer min;
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private final Integer min;
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private final Integer max;
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private final Integer max;
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Range(Integer min, Integer max) {
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this.min = min;
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this.max = max;
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}
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Range(Integer min, Integer max) {
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this.min = min;
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this.max = max;
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}
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Integer getMin() {
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return min;
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}
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Integer getMin() {
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return min;
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}
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Integer getMax() {
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return max;
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}
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Integer getMax() {
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return max;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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Range range = (Range) o;
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return Objects.equals(getMin(), range.getMin()) &&
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Objects.equals(getMax(), range.getMax());
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}
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@Override
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public boolean equals(Object o) {
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if (this == o)
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return true;
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if (o == null || getClass() != o.getClass())
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return false;
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Range range = (Range) o;
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return Objects.equals(getMin(), range.getMin()) && Objects.equals(getMax(), range.getMax());
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}
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@Override
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public int hashCode() {
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return Objects.hash(getMin(), getMax());
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}
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@Override
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public int hashCode() {
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return Objects.hash(getMin(), getMax());
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}
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@Override
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public String toString() {
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return "Range{" +
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"min=" + min +
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", max=" + max +
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'}';
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}
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}
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@Override
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public String toString() {
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return "Range{" + "min=" + min + ", max=" + max + '}';
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}
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||||
}
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||||
}
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||||
|
|
Loading…
Reference in New Issue