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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
2
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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
19
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Are “while(true)” loops so bad? [closed]
I've been programming in Java for several years now, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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Convert String to Uri
How can I convert a String to a Uri in Java (Android)? i.e.:
6 Answers
6
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Builder Pattern in Effective Java
I have recently started to read Effective Java by Joshua Bloch. I found the idea of the Builder pattern [Item 2 in the book] really interesting. I tried to implement it in my project but there were compilation errors. Following is in essence what I was trying to do:
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GoTo Next Iteration in For Loop in java
Is there a token in java that skips the rest of the for loop?
Something like VB's Continue in java.
6 Answers
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...ading issue related to tracking those hashes, but it turned out it was the java.security.MessageDigest class! It's not thread safe!
I swapped it out with a UID I was stuffing in every packet based on the device UUID and a timestamp. No problems since.
I guess the lesson I can impart to those that ...
Is there something like Annotation Inheritance in java?
...ing them all the way. See Why is it not possible to extend annotations in Java?
However, types do inherit the annotations of their superclass if those annotations are @Inherited.
Also, unless you need those methods to interact, you could just stack the annotations on your class:
@Move
@Page
publ...
java: HashMap not working
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You can't use primitive types as generic arguments in Java. Use instead:
Map<String, Integer> myMap = new HashMap<String, Integer>();
With auto-boxing/unboxing there is little difference in the code. Auto-boxing means you can write:
myMap.put("foo", 3);
instead...