The getInstance() Method of Currency class in Java is used to retrieve the instance of this currency for a given currency code.
Syntax:
CURRENCY.getInstance(String currency_code)
Parameters: This method accepts one parameter currency_code which is the currency of a particular currency.
Return Value: This method returns the instance of the currency for a currency code.
Exceptions: The method throws Runtime Error if an invalid code is called.
Below program illustrates the working of getInstance() method:
Program 1:
Java
// Java Code to illustrate getInstance() methodimport java.util.*;public class Currency_Demo { public static void main(String[] args) { // Creating a currency with the code Currency curr_ency = Currency.getInstance("INR"); // Getting the currency code System.out.println("Currency Code of India is: " + curr_ency.toString()); }} |
Output:
Currency Code of India is: INR
Program 2:
Java
// Java Code to illustrate toString() methodimport java.util.*;public class Currency_Demo { public static void main(String[] args) { // Creating a currency with the code Currency curr_ency = Currency.getInstance("USD"); // Getting the currency code System.out.println("Currency Code of USA is: " + curr_ency.toString()); }} |
Output:
Currency Code of USA is: USD
Program 3: For an invalid Currency Code.
Java
// Java Code to illustrate getInstance() methodimport java.util.*;public class Currency_Demo { public static void main(String[] args) { try { // Creating a currency with the code Currency curr_ency = Currency.getInstance("USDA"); // Getting the currency code String currency_code = curr_ency.toString(); System.out.println("Invalid Currency Code: " + currency_code); } catch (Exception e) { System.out.println(e); } }} |
Output:
java.lang.IllegalArgumentException
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