You are missing something here. You have a List of Strings, and you should iterate over the characters of each of these Strings separately in order to convert it to an int. This means you need two nested loops. Though there are much easier ways of doing it (with Integer.parseInt()), here’s an implementation based on … Read more
Searching for a single item in an array is O(N) Searching for a longest run of increasing numbers in an array is O(N^2) if you use a straightforward algorithm with two nested loops* Note: This is not Java-specific. * A faster algorithm exists to do this search. solved Java Search algorithm [closed]
Reading a CSV is independent from Swing: Swing handle user interfaces but not file input/output. For that, you can use the classes in the java.io package. In particular: the FileReader class to read through your file the BufferedReader class to read one line of your CSV file at a time the StringTokenizer class to parse … Read more
I think this is what you are looking for. OnCheckedChangedListener. RadioButton radioButton; radioButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if(isChecked) counter++; } }); 2 solved how to increase counter on radio button is checked ? Android [closed]
Introduction Creating a Java program that can’t be closed on Windows and Mac OS can be a tricky task. However, with the right knowledge and techniques, it is possible to create a program that is difficult to close. In this article, we will discuss the various methods and techniques that can be used to create … Read more
If you are using swing, you can use frame.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); which prevents the window from closing. solved how to create a java program that can’t be closed on window and mac os
remove static from the autowired field and replace UserEntryRepository.save(entry); with userEntryRepository.save(entry); 2 solved spring .save cannot be referenced [duplicate]
Your regex is greedy; it will match everything up to the last } it can find. Try this: String re = “\\{\”chkin.*?\\}”; Adding the ? makes it reluctant, which matches as little as possible. 6 solved regex matching curly braces in java inside very large html file [duplicate]
You need to read documentation /implementation of AsyncHttpClient first. You won’t get response like that. You need to Override onSuccess/onFailure methods for your AsyncHttpResponseHandler() client.get(“http://localhost/moodle/webservice/rest/server.php?wstoken=0ac06623c66a3dd0e0e431f872a74710&wsfunction=core_user_create_users”,params ,new AsyncHttpResponseHandler(){ @Override public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) { Toast.makeText(getApplicationContext(), new String(responseBody), Toast.LENGTH_LONG).show(); } }; 0 solved I want to print out the request using toast
If this was my issue, I would do the following: Create a model class… public class ListModel { View view; String url; public ListModel (View view, String url) { this.view = view; this.url = url; } public View getView() { return view; } public void setView(View view) { this.view = view; } public String getUrl() … Read more
According this code you will get null pointer exception. because you have not assign the listener in code. public class saveData extends AsyncTask < List < String > , Void, Void > { private OnTaskCompleted listener; boolean myflag = false; @Override public void onPreExecute() {} @Override protected Void doInBackground(List < String > …params) {} @Override … Read more
This: w = (m<3?y–,m+=13:m++,d+153*m/5+15*y+y/4+19*c+c/4+5); Works out to be the same as this: if (m<3) { y–; m+=13; } else { m++; } w = (d + (153*m/5) +(15*y) + (y/4) + (19*c) + (c/4) + 5); Now for the explanation. There is an instance of the ternary operator here. The second clause is an expression … Read more
Here is quick fix for you. Please check following code. public static void main(String arg[]) { String num = “105”; int target = 5; getValue(num, target); } static void check(double sum, double previous, String digits, double target, String expr) { if (digits.length() == 0) { if (sum + previous == target) { System.out.println(expr + ” … Read more
Take the imageview 100X100 its all about the layout margin: You can use margin like this: <FrameLayout android:layout_width=”match_parent” android:layout_height=”wrap_content” > <de.hdodenhof.circleimageview.CircleImageView android:layout_width=”100dp” android:layout_height=”100dp” android:layout_gravity=”center” android:layout_marginRight=”100dp” android:src=”https://stackoverflow.com/questions/43046074/@drawable/samplepic” /> <de.hdodenhof.circleimageview.CircleImageView android:layout_width=”100dp” android:layout_height=”100dp” android:layout_gravity=”center” android:layout_marginRight=”50dp” android:src=”https://stackoverflow.com/questions/43046074/@drawable/samplepic” /> <de.hdodenhof.circleimageview.CircleImageView android:layout_width=”100dp” android:layout_height=”100dp” android:layout_marginLeft=”100dp” android:layout_gravity=”center” android:src=”https://stackoverflow.com/questions/43046074/@drawable/samplepic” /> <de.hdodenhof.circleimageview.CircleImageView android:layout_width=”100dp” android:layout_height=”100dp” android:layout_marginLeft=”50dp” android:layout_gravity=”center” android:src=”https://stackoverflow.com/questions/43046074/@drawable/samplepic” /> <de.hdodenhof.circleimageview.CircleImageView android:layout_width=”100dp” android:layout_height=”100dp” android:layout_gravity=”center” android:src=”https://stackoverflow.com/questions/43046074/@drawable/samplepic” /> </FrameLayout> … Read more
try this: public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); String text = sc.nextLine(); System.out.println(text); for(int j=0;j<text.length();j++) { char firstLetter = text.charAt(0); //get the first letter text = text.substring(1); //remove the first letter from the input string text = text + firstLetter; System.out.println(text); } } } 4 solved … Read more