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Try-finally block prevents StackOverflowError
...level above it. (Output:
Finally
Exception in thread "main" java.lang.Exception: TEST!
at test.main(test.java:6)
This makes sense, as finally is called right before exiting the method. This means, however, that once you get that first StackOverflowError, it will try to throw it, bu...
Java: How to test methods that call System.exit()?
... Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System.
This was initially mentioned by Stefan Birkner in his answer in December 2011.
System.exit(…)
Use the ExpectedSystemExit rule to verify that System.exit(…) is called.
You could verify the exit status,...
Change private static final field using Java reflection
...tually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class EverythingIsTrue {
static void setFinalStatic(Field field, Object newValue) throws Exception {
field.setAccessible(true);
Field modifiersField = Field.class.getDeclaredField("modi...
How do I compare strings in Java?
...'t have extension methods, you can't write your own utility to extend java.lang.String. Right? Any thoughts on subclassing String, adding that static utility method, and then always using MyString instead? A static method with two parameters for doing null-safe comparisons would be nice to have in t...
Why does this go into an infinite loop?
...
Interesting article angelikalanger.com/Articles/VSJ/SequencePoints/…
– Jaydee
Oct 4 '10 at 8:46
...
How To Set Text In An EditText
...nd setText(CharSequence text)
http://developer.android.com/reference/java/lang/CharSequence.html
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Draw in Canvas by finger, Android
...= 32;
private int floatToByte(float x) {
int n = java.lang.Math.round(x);
return n;
}
private int pinToByte(int n) {
if (n < 0) {
n = 0;
} else if (n > 255) {
n = 255;
}
...
Why can't overriding methods throw exceptions broader than the overridden method?
...m shouldn't limit the usage of exception handling. In fact, other computer languages don't do it (C#).
Moreover, a method is overriden in a more specialiced subclass so that it is more complex and, for this reason, more probable to throwing new exceptions.
...
Call by name vs call by value in Scala, clarification needed
...
I think you meant: <!-- language: lang-scala --> def callAlsoByName(x: () => Int) = { println("x1=" + x()) println("x2=" + x()) } and then: <!-- language: lang-js --> callAlsoByName(() => something()) I don't...
Convert JsonNode into POJO
...rg/1.7.9/javadoc/org/codehaus/jackson/map/ObjectMapper.html#readValue(java.lang.String, java.lang.Class)
You can also define a custom deserializer when you instantiate the ObjectMapper:
http://wiki.fasterxml.com/JacksonHowToCustomDeserializers
Edit:
I just remembered something else. If your object...