Java printf format of 10 useful examples смотреть онлайн

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Ch11Format {

public static void main(String[] args) {
double price = 1.2159;
double salary = 1055000.55;
// output to 1.22
System.out.printf("%.2f",price);
// output to 1.216
System.out.println("\nexample 2");
System.out.printf("%.3f",price);
System.out.println("\nexample 3");
// total 10 spaces, 2 numbers after decimal point
System.out.printf("%10.2f",price);
System.out.println("\nexample 4");
// include price: 6 spaces, 2 numbers after decimal pont
System.out.printf("price: %6.2f", price);
System.out.println("\nexample 5");
// left aligment the price
System.out.printf("price:%-6.2f", price);
System.out.println("\nexample 6");
// total 10 spaces, 2 decmal numbers, leading 0
System.out.printf("Price: %0 10.2f", price);
System.out.println("\nexample 7");
// 2 decimal numbers, thousand separator
System.out.printf("Salary: %, .2f", salary);
System.out.println("\nexample 8");
// create your own format 2 decimal numbers, thousand separator
DecimalFormat myFormat = new DecimalFormat("$###,###.##");
System.out.println(myFormat.format(salary));
System.out.println("\nexample 9");
// display today's date

String pattern = "yyyy-MM-dd";
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);
String date = simpleDateFormat.format(new Date());
System.out.println(date);
System.out.println("\nexample 10");
// display the salary £, Chinese ¥
DecimalFormat myFormat1 = new DecimalFormat("\u00A5###,###.##");
System.out.println(myFormat1.format(salary));



}