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