package Lect29Library;

import java.text.*;
import java.util.*;

public class FormattingExample {
	public FormattingExample() {
		NumberFormat moneyFmt = NumberFormat.getCurrencyInstance();
		double salary = 52010.60;
		System.out.println("Salary (local): " + moneyFmt.format(salary));
		
		// Note: no currency conversion
		NumberFormat moneyUkFmt = NumberFormat.getCurrencyInstance(Locale.UK);
		System.out.println("Salary (UK): " + moneyUkFmt.format(salary));
		
		// Using DecimalFormat
		double averages[] = {84.8749, 90.886, 0};
		printArray(averages, ".#");
		printArray(averages, ".##");
		printArray(averages, "0.00");
	}

	
	public void printArray(double[] data, String fmtStr) {
		DecimalFormat decimalFmt = new DecimalFormat(fmtStr);
		System.out.println("==== Format String = '" + fmtStr + "' ====");
		for (int i=0; i<data.length; i++) {
			System.out.println("Item[" + (i) + "]: "+ decimalFmt.format(data[i]));
		}
	}
	
	public static void main(String[] args) {
		new FormattingExample();
	}
}