Java EnumMap hashCode() method8 Nov 2024 | 2 min read The hashCode() method of Java EnumMap class is used to get the hashcode value of the EnumMap.This method returns an integer whose value is the sum of the hash codes of each entry in the map. SyntaxParametersNA ReturnsThis method returns the hash code value for this map. ExceptionNA Example 1Output: Hash code value of the map: -450357866 Hash code value after clearing the map: 0 Example 2Output: Hash code value of the map: -1315471824 Hash code value after clearing the map: 0 Next TopicJava-enummap-keyset-method |
The clone() method of Java EnumMap class is used to copy the mapped value of one map to another map. This method creates a shallow copy of this map. Syntax public EnumMap<K, V> clone() Parameters NA Returns This method returns a shallow copy of this enum map. Exception NA Basic Syntax EnumMapTwo=EnumMapOne.clone(); Example 1 import java.util.*; public...
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The get() method of Java EnumMap class is used to get the mapped value of the specified key. Syntax public V get(Object key) Parameters key - the key whose associated value is to be returned Returns This method returns the value to which the specified key is mapped. This method returns null...
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The containsValue() method of Java EnumMap class is used to check whether one or more key is associated with a given value or not. This method returns true if the specified value is mapped by any of the keys in the map. Syntax public boolean containsValue(Object value) Parameters value -...
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The remove() method of Java EnumMap class is used to remove the mapping for the given key from EnumMap if the given key is present. Syntax public V remove(Object key) Parameters key - the key whose mapping is to be removed from the map. Returns This method returns the old value associated...
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The equals() method of Java EnumMap class is used to compare two maps for equality. This method basically compares the passed object with this EnumMap object. Syntax public <strong>boolean</strong> equals(Object o) Parameters o - the object to be compared for equality with this map. Returns This method returns true if the specified...
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The keySet() method of Java EnumMap class is used to get the set view of the keys contained in the map. This method returns a set of the keys in the natural order (the order in which the enum constants are declared). Syntax public Set<K> keySet() Parameters NA Returns This method returns...
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The values() method of Java EnumMap class is used to create a collection view of the values contained in this map. Syntax public Collection<V> values() Parameters NA Returns This method returns a collection view of the mapped values. Exception NA Example 1 import java.util.*; public class EnumMapValuesExample1 { // create an enum ...
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The entrySet() method of Java EnumMap class is used to create a set of elements contained in the EnumMap.This method returns a set view of this EnumMap. Syntax public Set<Map.Entry<K, V>> entrySet() Parameters NA Returns This method returns a set view of the mappings contained in this enum map. Exception NA Example 1 import java.util.*; public class...
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The clear() method of Java EnumMap class is used to clear all the mapping from the map. This method does not remove the map instead it just removes all the entry from the map. Syntax public void clear() Parameters NA Returns This method does not return any value. Exception NA Example 1 import java.util.EnumMap; public class EnumMapClearExample1...
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The size() method of Java EnumMap class is used to get the size of the EnumMap. This method returns an integer whose value is the number of key-value mappings in this EnumMap. Syntax public int size() Parameters NA Returns This method returns the size of this EnumMap. Exception NA Example 1 import java.util.*; public class EnumMapSizeExample1 { ...
2 min read
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