primitive map libraries

This commit is contained in:
mherbaghinyan 2019-03-08 15:33:10 +04:00
parent 68f1cb23dd
commit b42c2d3a5f
2 changed files with 69 additions and 0 deletions

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@ -373,6 +373,21 @@
<artifactId>eclipse-collections</artifactId> <artifactId>eclipse-collections</artifactId>
<version>${eclipse-collections.version}</version> <version>${eclipse-collections.version}</version>
</dependency> </dependency>
<dependency>
<groupId>net.sf.trove4j</groupId>
<artifactId>trove4j</artifactId>
<version>3.0.2</version>
</dependency>
<dependency>
<groupId>it.unimi.dsi</groupId>
<artifactId>fastutil</artifactId>
<version>8.1.0</version>
</dependency>
<dependency>
<groupId>colt</groupId>
<artifactId>colt</artifactId>
<version>1.2.0</version>
</dependency>
<dependency> <dependency>
<groupId>io.vavr</groupId> <groupId>io.vavr</groupId>
<artifactId>vavr</artifactId> <artifactId>vavr</artifactId>

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@ -0,0 +1,54 @@
package com.baeldung.primitives;
import cern.colt.map.AbstractIntDoubleMap;
import cern.colt.map.OpenIntDoubleHashMap;
import gnu.trove.map.TDoubleIntMap;
import gnu.trove.map.hash.TDoubleIntHashMap;
import org.eclipse.collections.api.map.primitive.*;
import org.eclipse.collections.impl.factory.primitive.*;
public class PrimitiveMaps {
public static void main(String[] args) {
eclipseCollectionsMap();
troveMap();
coltMap();
}
private static void coltMap() {
AbstractIntDoubleMap map = new OpenIntDoubleHashMap();
map.put(1, 4.5);
}
private static void eclipseCollectionsMap() {
MutableObjectDoubleMap<String> doubleMap = ObjectDoubleMaps.mutable.empty();
doubleMap.put("1", 1.0d);
doubleMap.put("2", 2.0d);
MutableObjectIntMap<String> booleanMap = ObjectIntMaps.mutable.empty();
booleanMap.put("ok", 1);
MutableIntIntMap mutableIntIntMap = IntIntMaps.mutable.empty();
mutableIntIntMap.addToValue(1, 1);
ImmutableIntIntMap immutableIntIntMap = IntIntMaps.immutable.empty();
MutableObjectIntMap<String> intObject = ObjectIntMaps.mutable.empty();
intObject.addToValue("price", 2);
}
private static void troveMap() {
double[] doubles = new double[] {1.2, 4.5, 0.3};
int[] ints = new int[] {1, 4, 0};
TDoubleIntMap doubleIntMap = new TDoubleIntHashMap(doubles, ints);
doubleIntMap.adjustValue(1.2, 1);
doubleIntMap.adjustValue(4.5, 4);
doubleIntMap.adjustValue(0.3, 0);
System.out.println(doubleIntMap);
}
}