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How to analyze a java thread dump?
I am trying to understand more about java, especially about memory management and threads.
For this reason I have recently found interest in looking at thread dumps.
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Android 4.1: How to check notifications are disabled for the application?
... int uid = appInfo.Uid;
try {
var appOpsClass = Java.Lang.Class.ForName("android.app.AppOpsManager");
var checkOpNoThrowMethod = appOpsClass.GetMethod(CHECK_OP_NO_THROW,Java.Lang.Integer.Type,Java.Lang.Integer.Type,new Java.Lang.String().Class);//need to add St...
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...