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OnCreateOptionsMenu() not called in Fragment
...t app crashes with 11-27 01:55:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26 '13 at 20:26
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make arrayList.toArray() return more specific types
...yList<String>();
String[] a = list.toArray(new String[0]);
Before Java6 it was recommended to write:
String[] a = list.toArray(new String[list.size()]);
because the internal implementation would realloc a properly sized array anyway so you were better doing it upfront. Since Java6 the em...
Overload constructor for Scala's Case Classes?
...A(1)
scala> A("2")
<console>:8: error: type mismatch;
found : java.lang.String("2")
required: Int
A("2")
^
scala> new A("2")
res2: A = A(2)
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How to use Class in Java?
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All we know is "All instances of a any class shares the same java.lang.Class object of that type of class"
e.g)
Student a = new Student();
Student b = new Student();
Then a.getClass() == b.getClass() is true.
Now assume
Teacher t = new Teacher();
without generics the below is...
Get context of test project in Android junit test case
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I get java.lang.NoSuchMethodException: android.test.ServiceTestCase.getTestContext()
– kurdtpage
May 23 '18 at 4:28
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How do I mock an autowired @Value field in Spring with Mockito?
... @MichałStochmal , doing that will produce since filed is private java.lang.IllegalStateException: Could not access method: Class org.springframework.util.ReflectionUtils can not access a member of class com.kaleidofin.app.service.impl.CVLKRAProvider with modifiers "" at org.springframewo...
Difference between string object and string literal [duplicate]
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@broofa: In what way can this be useful in JavaScript?
– Randomblue
Dec 20 '11 at 0:35
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How can I include raw JSON in an object using Jackson?
I am trying to include raw JSON inside a Java object when the object is (de)serialized using Jackson. In order to test this functionality, I wrote the following test:
...
Best way to create enum of strings?
... Strings(final String text) {
this.text = text;
}
/* (non-Javadoc)
* @see java.lang.Enum#toString()
*/
@Override
public String toString() {
return text;
}
}
Alternatively, you can create a getter method for text.
You can now do Strings.STRING_ONE.toS...
Should a “static final Logger” be declared in UPPER-CASE?
In Java, static final variables are constants and the convention is that they should be in upper-case. However, I have seen that most people declare loggers in lower-case which comes up as a violation in PMD .
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