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How to convert nanoseconds to seconds using the TimeUnit enum?
...g - convert() and the toFoo() methods all return longs now docs.oracle.com/javase/6/docs/api/java/util/concurrent/…
– Riking
Jul 30 '13 at 1:58
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Java Array Sort descending?
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Java 8:
Arrays.sort(list, comparator.reversed());
Update:
reversed() reverses the specified comparator. Usually, comparators order ascending, so this changes the order to descending.
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
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@Matthias You can use the Javap class disassembler to see that the repeated calls to s.length() in for loop termination expression are indeed avoided. Note that in the code OP posted the call to s.length() is in the initialization expression, so the l...
Getting value of public static final field/property of a class in Java via reflection
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It's not an Android question, it's a Java reflection question that uses a particular example. Questions are tagged based on their topic.
– Matthew Read
Dec 19 '16 at 17:05
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What is the difference between a string and a byte string?
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Jul 9 '15 at 15:46
ZenadixZena...
When would you use the Builder Pattern? [closed]
...ow are some reasons arguing for the use of the pattern and example code in Java, but it is an implementation of the Builder Pattern covered by the Gang of Four in Design Patterns. The reasons you would use it in Java are also applicable to other programming languages as well.
As Joshua Bloch states...
How to check if my string is equal to null?
... I agree on the readability. It depends whether we are using Java 5 vs Java 6 since isEmpty() is only in Java 6.
– CoolBeans
Apr 8 '10 at 17:44
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Difference between String#equals and String#contentEquals methods
... So, is it like the operators == (contentEquals) and === (equals) in javascript?
– anestv
Dec 23 '13 at 19:04
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Why should a Java class implement comparable?
Why is Java Comparable used? Why would someone implement Comparable in a class? What is a real life example where you need to implement comparable?
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How to cast an Object to an int
How can I cast an Object to an int in java?
19 Answers
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