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Why not use Double or Float to represent currency?
...ent the base 10 multiples that we use for money. This issue isn't just for Java, it's for any programming language that uses base 2 floating-point types.
In base 10, you can write 10.25 as 1025 * 10-2 (an integer times a power of 10). IEEE-754 floating-point numbers are different, but a very simple...
Java ArrayList replace at specific index
I need help with this java please. I created an ArrayList of bulbs, and I'm trying to replace a bulb at specific index with another bulb. So with the following heading, how do I proceed?
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Difference between FetchType LAZY and EAGER in Java Persistence API?
I am a newbie to Java Persistence API and Hibernate.
15 Answers
15
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Java regular expression OR operator
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How to retrieve a file from a server via SFTP?
...ing to retrieve a file from a server using SFTP (as opposed to FTPS) using Java. How can I do this?
16 Answers
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Java 8: performance of Streams vs Collections
I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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What is PECS (Producer Extends Consumer Super)?
... syntax and assumes declaration-site variance, which is quite different to Java's weird call-site variance... Maybe I should write a more detailed answer that clearly shows how this sketch applies to Java...
– Andrey Tyukin
Jun 15 '14 at 23:11
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Case insensitive string as HashMap key
...ct = {} or var struct = structnew() you can use var struct = createObject('java','java.util.TreeMap').init(createObject('java','java.lang.String').CASE_INSENSITIVE_ORDER); FUGLY, but it works ;)
– Eric Fuller
Nov 27 '14 at 4:09
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What does the “assert” keyword do? [duplicate]
...or();
(If you launched with -enableassertions that is.)
Formally, the Java Language Specification: 14.10. The assert Statement says the following:
14.10. The assert Statement
An assertion is an assert statement containing a boolean expression. An assertion is either enabled or disabled. I...
Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
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