java dictionary
Map<String, String> dictionary = new HashMap<String, String>();
dictionary.put("key", "value");
String value = dictionary.get("key");java dictionary
Map<String, String> dictionary = new HashMap<String, String>();
dictionary.put("key", "value");
String value = dictionary.get("key");built dictionary in java
import java.util.*;
class My_Dictionary
{
public static void main(String[] args)
{
// creating a My HashTable Dictionary
Hashtable<String, String> my_dict = new Hashtable<String, String>();
// Using a few dictionary Class methods
// using put method
my_dict.put("01", "Apple");
my_dict.put("10", "Banana");
// using get() method
System.out.println("\nValue at key = 10 : " + my_dict.get("10"));
System.out.println("Value at key = 11 : " + my_dict.get("11"));
// using isEmpty() method
System.out.println("\nIs my dictionary empty? : " + my_dict.isEmpty() + "\n");
// using remove() method
// remove value at key 10
my_dict.remove("10");
System.out.println("Checking if the removed value exists: " + my_dict.get("10"));
System.out.println("\nSize of my_dict : " + my_dict.size());
}
}dictionary in java
Map<String, String> map = new HashMap<String, String>();
map.put("dog", "type of animal");
System.out.println(map.get("dog"));Copyright © 2021 Codeinu
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