SEI CERT Oracle Coding Standard for Java

Space shortcuts

Page tree

Versions Compared

Old Version 20

changes.mady.by.user Ankur Goyal

Saved on

compared with

New Version 21

changes.mady.by.user Ankur Goyal

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Edited by NavBot

...

Code Block
bgColor#FFcccc
double dollar = 1.0;
double dime = 0.1;
int number = 7;
System.out.println (""A dollar less "" + number + "" dimes is $"" +
		    (dollar - number * dime) );

...

Code Block
bgColor#ccccff
long dollar = 100;
long dime = 10;
int number = 7;
System.out.println (""A dollar less "" + number + "" dimes is "" +
		    (dollar - number * dime) + "" cents"" );

This code outputs: A dollar less 7 dimes is 30 cents

...

Code Block
bgColor#ccccff
import java.math.BigDecimal;

BigDecimal dollar = new BigDecimal(""1.0"");
BigDecimal dime = new BigDecimal(""0.1"");
int number = 7;
System.out.println (""A dollar less "" + number + "" dimes is $"" +
	(dollar.subtract(new BigDecimal(number).multiply(dime) )) );

...

Wiki Markup
\[[JLS 05|AA. Java References#JLS 05]\] [Section 4.2.3, Floating-Point Types, Formats, and Values|http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.2.3]
\[[Bloch 08|AA. Java References#Bloch 08]\] Item 48: Avoid {{float}} and {{double}} if exact answers are required
\[[Bloch 05|AA. Java References#Bloch 05]\] Puzzle 2: Time for a Change
\[[Goldberg 91|AA. Java References#Goldberg 91]\]

...

07. Floating Point (FLP)            07. Floating Point (FLP)            FLP01-J. Take care in rearranging floating point expressions