Java Dictionary - get() Method
The java.util.Dictionary.get() method returns the value to which the key is mapped in this dictionary. If the dictionary contains an entry for the specified key, the associated value is returned; otherwise, null is returned.
Syntax
public abstract V get(Object key)
Here, V is the type of value maintained by the container.
Parameters
key |
Specify a key in this dictionary. |
Return Value
Returns the value to which the key is mapped in this dictionary. null if the key is not mapped to any value in this dictionary.
Exception
Throws NullPointerException, if the key is null.
Example:
In the example below, the java.util.Dictionary.get() method returns the value to which the key is mapped in the given dictionary.
import java.util.*;
public class MyClass {
public static void main(String[] args) {
//creating a dictionary
Dictionary<Integer, String> Dict =
new Hashtable<Integer, String>();
//populating dictionary
Dict.put(101, "John");
Dict.put(102, "Marry");
Dict.put(103, "Kim");
Dict.put(104, "Sam");
Dict.put(105, "Jo");
//printing the content of the dictionary
//using get method
System.out.println("The value associated with 101 is: " + Dict.get(101));
System.out.println("The value associated with 102 is: " + Dict.get(102));
System.out.println("The value associated with 103 is: " + Dict.get(103));
}
}
The output of the above code will be:
The value associated with 101 is: John The value associated with 102 is: Marry The value associated with 103 is: Kim
❮ Java.util - Dictionary
