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How do you Programmatically Download a Webpage in Java
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Here's some tested code using Java's URL class. I'd recommend do a better job than I do here of handling the exceptions or passing them up the call stack, though.
public static void main(String[] args) {
URL url;
InputStream is = null;
Buffe...
What is Erlang written in?
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I can say that Erlang was initially written in C/C++ as
I can't say that Java is written in java.... but It's framework and
Some libraries.
About Erlang, As Its is preferred programming language and suitable
for Telecom system... in order to maintain swiftness (e.g: in chat-bots)
I know that its ...
Why should I care that Java doesn't have reified generics?
...n interview recently as something the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
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error upon assigning Layout: BoxLayout can't be shared
I have this Java JFrame class, in which I want to use a boxlayout, but I get an error saying java.awt.AWTError: BoxLayout can't be shared . I've seen others with this problem, but they solved it by creating the boxlayout on the contentpane, but that is what I'm doing here. Here's my code:
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Can I use assert on Android devices?
...0032c: 6e10 0c00 0000 |0002: invoke-virtual {v0}, Ljava/lang/Class;.desiredAssertionStatus:()Z // method@000c
000332: 0a00 |0005: move-result v0
000334: 3900 0600 |0006: if-nez v0, 000c // +0006
000338: 1210 ...
How do I read / convert an InputStream into a String in Java?
If you have a java.io.InputStream object, how should you process that object and produce a String ?
59 Answers
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Converting 'ArrayList to 'String[]' in Java
...ght I convert an ArrayList<String> object to a String[] array in Java?
16 Answers
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Java Timer vs ExecutorService?
I have code where I schedule a task using java.util.Timer . I was looking around and saw ExecutorService can do the same. So this question here, have you used Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
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How does setting baselineAligned to false improve performance in LinearLayout?
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https://github.com/android/platform_frameworks_base/blob/master/core/java/android/widget/LinearLayout.java#L1093
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Variable length (Dynamic) Arrays in Java
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Yes: use ArrayList.
In Java, "normal" arrays are fixed-size. You have to give them a size and can't expand them or contract them. To change the size, you have to make a new array and copy the data you want - which is inefficient and a pain for you...