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private final static attribute vs private final attribute
In Java, what's the difference between:
22 Answers
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Google Gson - deserialize list object? (generic type)
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Method to deserialize generic collection:
import java.lang.reflect.Type;
import com.google.gson.reflect.TypeToken;
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Type listType = new TypeToken<ArrayList<YourClass>>(){}.getType();
List<YourClass> yourClassList = new Gson().fromJson(jsonArray, listT...
How to remove duplicate white spaces in string using Java?
... white spaces (including tabs, newlines, spaces, etc...) in a string using Java?
9 Answers
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Java 8 NullPointerException in Collectors.toMap
The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
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In Java, what does NaN mean?
...E Standard for Floating-Point Arithmetic (IEEE 754) quite explicitly which Java follows blindly. Reading the standard opens your eyes to a lot of things, the multiple values of zero being one of the things.
– Esko
Apr 11 '10 at 18:57
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How to pass a URI to an intent?
...nt to anyone in the future: Make sure you're using android.net.Uri and not java.net.URI!
– Caleb Jares
Jan 31 '14 at 19:32
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Creating runnable JAR with Gradle
...manifest, but that would be done the same way.
See http://docs.oracle.com/javase/tutorial/deployment/jar/manifestindex.html
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Finding the max/min value in an array of primitives using Java
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Using Commons Lang (to convert) + Collections (to min/max)
import java.util.Arrays;
import java.util.Collections;
import org.apache.commons.lang.ArrayUtils;
public class MinMaxValue {
public static void main(String[] args) {
char[] a = {'3', '5', '1', '4', '2'};
List...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...imitations of the JVM.
This arises out of the fact that not everything in Java is an object. In addition to objects, there are primitives. All objects in Java are descendant from java.lang.Object, but primitives are set apart and, presently*, not extensible by a programmer. Note also that primitive...
“new” keyword in Scala
...w keyword when creating objects in Scala? Is it when we try to instantiate Java objects only?
3 Answers
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