java佔位符處理

 - String.format
 - MessageFormat.format

public static void main(String[] args) {
    String message = "您好！%s手機號已欠費%s元";
    System.out.println(String.format(message,"12968888888","66.66"));
    String message2 = "您好！{0}手機號已欠費{1}元";
    System.out.println(MessageFormat.format(message2,"12968888888","77.66"));
}