2019-03-24 11:05:18 +04:00

70 lines
2.3 KiB
Java

package com.baeldung.map;
import cern.colt.map.AbstractIntDoubleMap;
import cern.colt.map.OpenIntDoubleHashMap;
import gnu.trove.map.TDoubleIntMap;
import gnu.trove.map.hash.TDoubleIntHashMap;
import it.unimi.dsi.fastutil.ints.Int2BooleanMap;
import it.unimi.dsi.fastutil.ints.Int2BooleanOpenHashMap;
import it.unimi.dsi.fastutil.ints.Int2BooleanSortedMap;
import it.unimi.dsi.fastutil.ints.Int2BooleanSortedMaps;
import org.eclipse.collections.api.map.primitive.ImmutableIntIntMap;
import org.eclipse.collections.api.map.primitive.MutableIntIntMap;
import org.eclipse.collections.api.map.primitive.MutableObjectDoubleMap;
import org.eclipse.collections.impl.factory.primitive.IntIntMaps;
import org.eclipse.collections.impl.factory.primitive.ObjectDoubleMaps;
public class PrimitiveMaps {
public static void main(String[] args) {
eclipseCollectionsMap();
troveMap();
coltMap();
fastutilMap();
}
private static void fastutilMap() {
Int2BooleanMap int2BooleanMap = new Int2BooleanOpenHashMap();
int2BooleanMap.put(1, true);
int2BooleanMap.put(7, false);
int2BooleanMap.put(4, true);
boolean value = int2BooleanMap.get(1);
Int2BooleanSortedMap int2BooleanSorted = Int2BooleanSortedMaps.EMPTY_MAP;
}
private static void coltMap() {
AbstractIntDoubleMap map = new OpenIntDoubleHashMap();
map.put(1, 4.5);
double value = map.get(1);
}
private static void eclipseCollectionsMap() {
MutableIntIntMap mutableIntIntMap = IntIntMaps.mutable.empty();
mutableIntIntMap.addToValue(1, 1);
ImmutableIntIntMap immutableIntIntMap = IntIntMaps.immutable.empty();
MutableObjectDoubleMap<String> dObject = ObjectDoubleMaps.mutable.empty();
dObject.addToValue("price", 150.5);
dObject.addToValue("quality", 4.4);
dObject.addToValue("stability", 0.8);
}
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.put(1.2, 22);
doubleIntMap.put(4.5, 16);
doubleIntMap.adjustValue(1.2, 1);
doubleIntMap.adjustValue(4.5, 4);
doubleIntMap.adjustValue(0.3, 7);
}
}