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hasNext in Python iterators?
...this way, you CONSUME the next value from the iterator as well. hasNext in Java doesn't consume the next value.
– Alan Franzoni
Jul 17 at 12:18
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Execute method on startup in Spring
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I get a strange warning trying to use @PostConstruct in java 1.8: Access restriction: The type PostConstruct is not accessible due to restriction on required library /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home/jre/lib/rt.jar
– encrest
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Usages of Null / Nothing / Unit in Scala
...erlying
runtime system. A method with return type Unit is analogous to a Java
method which is declared void.
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Android - Package Name convention
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Android follows normal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android).
The reason for having it in reverse order is to do with the layo...
What is the equivalent of “android:fontFamily=”sans-serif-light" in Java code?
...nt.myfont)
textView.typeface = typeface
Option 2 - API 16 and higher
// Java
Typeface typeface = ResourcesCompat.getFont(context, R.font.myfont);
// Kotlin
val typeface = ResourcesCompat.getFont(context, R.font.myfont)
Check the full expiation at Android Developers Guide.
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How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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Cannot instantiate the type List [duplicate]
...s and should not be used or suggested for use in any new code targeted for Java 5+, end of story.
– Matt Ball
Oct 31 '11 at 22:15
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Difference between List, List, List, List, and List
... (like in your point 3), requires that the type parameter be declared. The Java syntax for that is to put <T> in front of the function. This is exactly analogous to declaring formal parameter names to a method before using the names in the method body.
Regarding List<Object> not accepti...
Difference between Mutable objects and Immutable objects [duplicate]
...All( "old", "new" );
System.out.println( myString );
The output is:
java.awt.Point[0.0, 0.0]
java.awt.Point[1.0, 0.0]
old String
old String
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What's the difference between and
... a pre-generics API that used Object.)
Source: http://download.oracle.com/javase/tutorial/extra/generics/convert.html; it explains why the JDK's java.util.Collections class has a method with this signature:
public static <T extends Object & Comparable<? super T>> T max(
Collect...