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How can I determine whether a Java class is abstract by reflection
...vy startup. I can't find anything obviously like isAbstract() in the Class.java docs.
3 Answers
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How do I count the number of occurrences of a char in a String?
...is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
This only work with spring frame work...
How to limit setAccessible to only “legitimate” uses?
The more I learned about the power of java.lang.reflect.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted from my answer to the question ( Using reflection to change static final File.separatorChar for unit testing ).
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What is the garbage collector in Java?
I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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Clone() vs Copy constructor- which is recommended in java [duplicate]
clone method vs copy constructor in java. which one is correct solution. where to use each case?
6 Answers
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A Java collection of value pairs? (tuples?)
I like how Java has a Map where you can define the types of each entry in the map, for example <String, Integer> .
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Change app language programmatically in Android
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According to this article. You will need to download LocaleHelper.java referenced in that article.
Create MyApplication class that will extends Application
Override attachBaseContext() to update language.
Register this class in manifest.
public class MyApplication extends Application {...
How to POST raw whole JSON in the body of a Retrofit request?
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I am getting this exception java.lang.IllegalArgumentException: Unable to create @Body converter for class MatchAPIRequestBody (parameter #1)
– Shajeel Afzal
Jan 24 '17 at 9:59
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How to parse JSON in Scala using standard Scala classes?
...y easy to parse JSON code :P
package org.sqkb.service.common.bean
import java.text.SimpleDateFormat
import org.json4s
import org.json4s.JValue
import org.json4s.jackson.JsonMethods._
//import org.sqkb.service.common.kit.{IsvCode}
import scala.util.Try
/**
*
*/
case class Order(log: String) ...
Differences between Ant and Maven [closed]
...r used either. I understand that they are used to automate the building of Java projects, but I do not know where to start from.
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