This week's book giveaway is in the OO, Patterns, UML and Refactoring forum.
We're giving away four copies of Five Lines of Code and have Christian Clausen on-line!
See this thread for details.
Win a copy of Five Lines of Code this week in the OO, Patterns, UML and Refactoring forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Bear Bibeault
  • Ron McLeod
  • Jeanne Boyarsky
  • Paul Clapham
Sheriffs:
  • Tim Cooke
  • Liutauras Vilda
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Tim Holloway
  • fred rosenberger
  • salvin francis
Bartenders:
  • Piet Souris
  • Frits Walraven
  • Carey Brown

formatting using printf

 
Greenhorn
Posts: 16
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Can some one please explain the output caused by line 1



output is below. What causes 559998 to appear after the . instead of just 56
 
Sheriff
Posts: 21972
106
Eclipse IDE Spring VI Editor Chrome Java Ubuntu Windows
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
The way floating point numbers are handled on computers. In short, just like you can't represent 1/3 exactly in decimal (0.3333 is an approximation), you can't represent 0.56 or even 0.1 exactly in binary. See this.
 
Don't get me started about those stupid light bulbs.
    Bookmark Topic Watch Topic
  • New Topic