70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
package com.baeldung.map;
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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 it.unimi.dsi.fastutil.ints.Int2BooleanMap;
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import it.unimi.dsi.fastutil.ints.Int2BooleanOpenHashMap;
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import it.unimi.dsi.fastutil.ints.Int2BooleanSortedMap;
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import it.unimi.dsi.fastutil.ints.Int2BooleanSortedMaps;
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import org.eclipse.collections.api.map.primitive.ImmutableIntIntMap;
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import org.eclipse.collections.api.map.primitive.MutableIntIntMap;
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import org.eclipse.collections.api.map.primitive.MutableObjectDoubleMap;
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import org.eclipse.collections.impl.factory.primitive.IntIntMaps;
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import org.eclipse.collections.impl.factory.primitive.ObjectDoubleMaps;
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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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fastutilMap();
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}
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private static void fastutilMap() {
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Int2BooleanMap int2BooleanMap = new Int2BooleanOpenHashMap();
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int2BooleanMap.put(1, true);
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int2BooleanMap.put(7, false);
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int2BooleanMap.put(4, true);
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boolean value = int2BooleanMap.get(1);
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Int2BooleanSortedMap int2BooleanSorted = Int2BooleanSortedMaps.EMPTY_MAP;
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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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double value = map.get(1);
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}
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private static void eclipseCollectionsMap() {
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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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MutableObjectDoubleMap<String> dObject = ObjectDoubleMaps.mutable.empty();
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dObject.addToValue("price", 150.5);
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dObject.addToValue("quality", 4.4);
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dObject.addToValue("stability", 0.8);
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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.put(1.2, 22);
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doubleIntMap.put(4.5, 16);
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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, 7);
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}
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}
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