Interface OnSystemUiVisibilityChangeListener is nested in class View, so I believe you would have to do Class.forName(“android.view.View$OnSystemUiVisibilityChangeListener”); (note the ‘$’). References: http://developer.android.com/reference/android/view/View.html http://developer.android.com/reference/android/view/View.OnSystemUiVisibilityChangeListener.html solved android Class.forName throws exception
MultipartFile’s getInputStream() method returns an InputStream. You don’t have to know what kind of InputStream it returns. As you see, it’s not a FileInputStream, and that should not matter. All you need to do is read from the InputStream returned and write to your file. You read from an InputStream the same way, whatever the … Read more
As already mentioned by the other answers, the reason why this is happening is because you declare your function as returning a boolean but it is possible for you to execute your function without actually hitting a return statement. For example imagine if Just to be a bit more explicit here is your code and … Read more
The issue is due to some Checkstyle rules. If you remove them, this solves the problem. For further reference: http://sonarqube.15.x6.nabble.com/ArrayIndexOutOfBoundsException-while-decorating-Java-file-td5034646.html 1 solved Sonarqube 5.2 / Checkstyle plugin 2.3 : Enabling SummaryJavadocCheck makes the analysis failed
The private modifier indicates that the member is only accessible from within the same class (and nested classes, if any). Without the modifier, it would be accessible from other classes in the same package (using obj.head if obj is an instance of the class). Declaring Member Variables (search for Access Modifiers) JLS ยง8.2, Class Members … Read more
You need to remove the following line from your AndroidManifest.xml: <category android:name=”android.intent.category.LAUNCHER”/> This will remove the application from the default launcher. However, you also need to add the following line such that your BroadcastReceiver is not completely ignored: <category android:name=”android.intent.category.DEFAULT”/> You should NOT remove the line below – it is used to specify which Activity … Read more
In your code snippet you create PreparedStatements but you do not use them correctly. Prepared statements are meant to be used as a kind of ‘statement template’ which is bound to values before it executes. To quote the javadoc: PreparedStatement pstmt = con.prepareStatement( “UPDATE EMPLOYEES SET SALARY = ? WHERE ID = ?”); pstmt.setBigDecimal(1, 153833.00) … Read more
Using Json Simple library You Can Write. You failed to give how be your json. Even this Code May Help you. import org.json.simple.JSONArray; import org.json.simple.JSONObject; import java.io.FileWriter; import java.io.IOException; public class JsonHelper { public static void main() { JSONObject jsonObject = new JSONObject(); jsonObject.put(“Key”,”value”); jsonObject.put(“Key1″,”value1”); JSONArray sensorJsonArray = new JSONArray(); JSONObject simple = new JSONObject(); … Read more
What is difference between calling a blocking method with timeout and calling a non blocking method with timeout in java? solved What is difference between calling a blocking method with timeout and calling a non blocking method with timeout in java?
Using SimpleDateFormatter you can convert from date string to date and date to date String public final class DateUtil { private static final String DEFAULT_DATE_FORMAT = “dd-MMM-yyyy”; private DateUtil() { } public static final String formatDate(final Date date, final String dateFormat) { DateFormat format = new SimpleDateFormat(dateFormat, Locale.ENGLISH); return format.format(date); } public static final Date … Read more
this just isn’t how you’re supposed to work with threads. You have 2 major problems here: java memory model. Imagine that one thread writes to some variable, and a fraction of a second later, another thread reads it. If that would be guaranteed to work the way you want it to, that means that write … Read more
I have resolved my problem using this code: public QueryExecution query(){ String stringa = “http://dbpedia.org/resource/Fred_Guy”; ParameterizedSparqlString qs = new ParameterizedSparqlString( “” + “prefix dbpediaont: <http://dbpedia.org/ontology/>\n” + “prefix dbpedia: <http://dbpedia.org/resource/>\n” + “prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n” + “\n” + “select ?resource where {\n” + “?mat rdf:type ?resource\n” + “filter strstarts(str(?resource), dbpediaont:)\n” + “}” ); Resource risorsa = ResourceFactory.createResource(stringa); … Read more
I believe what you are trying to do is deploy the webapp to application server. And to do this you are using the mvn … deploy command. The problem is mvn deploy is meant for deploying the output of your project (artifact) to maven repository. For example to share your classes with other co-workers. If … Read more
You can merge 2 for-statements. for (int i = 1, j = 5; i <= 5; i++, j–) { System.out.print(i + ” ” + j + ” “); } solved how to execute two for loops simultaneously in java without useing multithreading
Assuming you want help and not complete code: Read a textfile: FileReader … … line-by-line: BufferedReader and its readLine() method Integer from text: Integer.parseInt() (assumption: there is one number per line) Store Integers in something, which orders them, and removes duplicates: TreeSet<Integer>, and its add() method Get back the numbers (ordered, duplicates removed): iterator() (of … Read more