How to format a Java double with printf example

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Do you need to format a double in Java to two decimal places with the printf function? Need to specify the width, decimal precision or even the use of a comma to group numbers by the thousands? If so, then this quick Java printf tutorial on floating-point numbers like the Java double and float is exactly what you need. It will show you how to use Java printf to format double and other floating-point values with the %f format specifier.
  1. Cameron McKenzie
  2. cameronmcnz
  3. theserverside
  4. java
  5. jakarta
  6. jakartaee
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I have been working with exit sequences and formatting outputs a TON, strictly because typing "System.out" gets annoying after a while... I must have messed with 34-million ways to printf format a double in the middle of a string output for the past 3 hours. Then, I find out it is THIS easy!!! Ha! I love this stuff! Thank you a ton

Chim_
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You literally made my headache go away for a homework assignment. Thank you sir; who do you think you are, I am.

Designed
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Formatting Java floating point numbers with printf is cool, but to do really cool stuff check out the JDK's DecimalFormat class!

scrumtuous
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Dude, you helped me so much in a level that you don't understand, thank you very much, I'm very gratefull, you're amazing

salkin