Uppercase Option

In this chapter you will learn:

How and when to use Uppercase Option for Java Formatter
How to uppercase hexadecimal
How to uppercase e symbol

Uppercase Option and its effects

Uppercase versions format specifiers cause the conversion to use uppercase where appropriate.

Specifier	Effect
%A	Uppercase the hexadecimal digits a through f to A through F. Also, the prefix 0x is displayed as 0X, and the p will be displayed as P.
%B	Uppercases the values true and false.
%E	Uppercase the e symbol that indicates the exponent.
%G	Uppercase the e symbol that indicates the exponent.
%H	Uppercase the hexadecimal digits a through f to A through F.
%S	Uppercases the corresponding string.
%T	Uppercase alphabetical output.
%X	Uppercase the hexadecimal digits a through f to A through F. Also, the optional prefix 0x is displayed as 0X, if present.

uppercase hexadecimal

The following code outputs value in uppercase hexadecimal.

import java.util.Formatter;
/*from j  a v  a2s .  co  m*/
public class Main {
  public static void main(String args[]) {
    Formatter fmt = new Formatter();
    fmt.format("%X", 250); 
    System.out.println(fmt);
  }
}

The output:

uppercase e symbol

The following code does uppercase the e symbol that indicates the exponent

import java.util.Formatter;
/*  j a  v a2  s  .  c  o  m*/
public class Main {
  public static void main(String args[]) {
    Formatter fmt = new Formatter();
    fmt.format("%E", 123.1234); 
    System.out.println(fmt);
  }
}