NumberFormat getInstance() method in Java with Examples

  1. The getInstance() method is a built-in method of the java.text.NumberFormat returns a number format for the current default FORMAT locale.

    Syntax:

    public static final NumberFormat getInstance()

    Parameters: The function does not accepts any parameter.

    Return Value: The function returns the NumberFormat instance for general purpose formatting.

    Below is the implementation of the above function:

    Program 1:

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    // Java program to implement
    // the above function
      
    import java.text.NumberFormat;
    import java.util.Locale;
    import java.util.Currency;
      
    public class Main {
        public static void main(String[] args)
            throws Exception
        {
      
            // Get the instance
            NumberFormat nF
                = NumberFormat.getInstance();
      
            // Sets the currency to Canadian Dollar
            nF.setCurrency(
                Currency.getInstance(
                    Locale.CANADA));
      
            // Stores the values
            String values
                = nF.getCurrency()
                      .getDisplayName();
      
            // Prints the currency
            System.out.println(values);
        }
    }

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    Output:

    Canadian Dollar
    

    Program 2:

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    // Java program to implement
    // the above function
      
    import java.text.NumberFormat;
    import java.util.Locale;
    import java.util.Currency;
      
    public class Main {
        public static void main(String[] args)
            throws Exception
        {
      
            // Get the instance
            NumberFormat nF
                = NumberFormat.getInstance();
      
            // Stores the values
            String values
                = nF.getCurrency().getDisplayName();
      
            // Prints the currency
            System.out.println(values);
        }
    }

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    Output:

    US Dollar
    

    Reference: https://docs.oracle.com/javase/10/docs/api/java/text/NumberFormat.html#getInstance()

  2. The getInstance(Locale inLocale) method is a built-in method of the java.text.NumberFormat returns a number format for any specifies locale.

    Syntax:

    public static NumberFormat getIntegerInstance(Locale inLocale)

    Parameters: The function accepts a single mandatory parameter inLocale which describes the locale which is to specifies.

    Return Value: The function returns the NumberFormat instance for number formatting of integer values.

    Below is the implementation of the above function:

    Program 1:

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    code

    // Java program to implement
    // the above function
      
    import java.text.NumberFormat;
    import java.util.Locale;
    import java.util.Currency;
      
    public class Main {
        public static void main(String[] args)
            throws Exception
        {
      
            // Get the instance
            NumberFormat nF
                = NumberFormat.getInstance(
                    Locale.CANADA);
      
            // Stores the values
            String values
                = nF.getCurrency().getDisplayName();
      
            // Prints the currency
            System.out.println(values);
        }
    }

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    Output:

    Canadian Dollar
    

    Reference: https://docs.oracle.com/javase/10/docs/api/java/text/NumberFormat.html#getIntegerInstance(java.util.Locale)



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