Using the Format Flags : Formatter Flags « Development « Java Tutorial

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Java Tutorial » Development » Formatter Flags

6. 6. 1. Using the Format Flags

Formatter uses a set of format flags to control various aspects of a conversion.

A format flag follows the % in a format specification.

Flag	Effect
-	Left justification
#	Alternate conversion format
0	Output is padded with zeros rather than spaces
space	Positive numeric output is preceded by a space
+	Positive numeric output is preceded by a + sign
,	Numeric values include grouping separators
(	Negative numeric values are enclosed within parentheses

6. 6. Formatter Flags
	6. 6. 1.	Using the Format Flags
	6. 6. 2.	The %n inserts a newline: the %n and %% format specifiers
	6. 6. 3.	Left justification
	6. 6. 4.	The Space, +, 0, and '(' Flags: To show a '+' sign before positive numeric values, add the + flag
	6. 6. 5.	Demonstrating the space format specifiers
	6. 6. 6.	To show negative numeric output inside parentheses, rather than with a leading -, use the '(' flag
	6. 6. 7.	The 0 flag
	6. 6. 8.	The Comma Flag(,) : to add grouping specifiers
	6. 6. 9.	The # Flag
	6. 6. 10.	format: %#x
	6. 6. 11.	format: %#o
	6. 6. 12.	Demonstrate the %g format specifier.

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