java

[Solved] scanner in while loop [duplicate]

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Let’s extract a method (ReadInteger) for it. Please, note, that we use int.TryParse instead of Convert.ToInt32 since user input is not necessary a valid integer private static int ReadInteger(String title = null) { if (!string.IsNullOrWhiteSpace(title)) Console.WriteLine(title); while (true) { if (int.TryParse(Console.ReadLine(), out int result)) return result; Console.WriteLine(“Sorry, the input is not a valid integer, try … Read more

[Solved] example of a method is int age; normally below the class?

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public class human { //Here you declare a class //This is a field with package-private (default) permissions //might be also called a variable or a parameter int age; String name; String hairColor; String gender; public human() { //This is a constructor } public void speaking() { //This is a method not a constructor System.out.println(“my name … Read more

[Solved] What does a JTextField look like in various LAF instances? [closed]

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They say a picture paints a thousand words, so here’s a 6K word answer. Note that in Nimbus & Motif PLAFs, the background of the non-editable text field appears same as the editable text field, while in three others, it looks different. The disabled text field appears different to either the editable or non-editable fields … Read more

[Solved] Heap Sort array

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PriorityQueue<Integer> pQueue = new PriorityQueue<Integer>(); This line creates a priority queue of Integers. A priority queue stores a “sorted” list of items (in your case Integers). When you add an int to pQueue ,it is places the value in the correct position. E.g if I add numbers 1, 10 and 5 in this order to … Read more

[Solved] Convert PDF to Excel [closed]

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Getting data out from a pdf file is pretty messy. If the pdf table is ordered and has got a unique pattern embedded along with it, the best way to get the data is by converting the pdf to xml. For this you can use: pdftohtml. Installation: sudo apt-get install pdftohtml Usage: pdftohtml -xml *Your … Read more

[Solved] Java counting method? [closed]

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do you want to get how many times a CD was borrowed? or who borrowed how many times? to check how many times the CD was borrowed in your public void borrower(String nameOfBorrower) { borrower = nameOfBorrower; borrowed = true; inStock = false; times++; } public int GetTimes() { return times; } 4 solved Java … Read more

[Solved] setAdapter View Pager in a fragment

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Convert mPager.setAdapter(new MyAdapter(Beranda.this, XMENArray)); to mPager.setAdapter(new MyAdapter(getActivity(), XMENArray)); See, the problem is that your class extends Fragment and you can not pass fragment class instance to the context. So you have to pass context of Activity in which you are using this fragment. 1 solved setAdapter View Pager in a fragment

[Solved] How to handle an unparseable date? [duplicate]

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To parse string into java.util.Date use java.text.SimpleDateFormat. Example : String testDate = “09-May-2015,23:10:14 PM”; DateFormat formatter = new SimpleDateFormat(“d-MMM-yyyy , HH:mm:ss aaa”); Date date = formatter.parse(testDate); System.out.println(date); 1 solved How to handle an unparseable date? [duplicate]

[Solved] Java (Length of an input)

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Replace s.next() to s.nextLine() and you will get the desired result. next() finds and returns the next complete token from this scanner. A complete token is preceded and followed by input that matches the delimiter pattern. nextLine() returns the rest of the current line, excluding any line separator at the end. The position is set … Read more

[Solved] Find longest squential streak in arraylist java [closed]

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ArrayList<Integer> bigger = new ArrayList<>(); for (int x = 0; x < numbers.size(); x++) { int current = numbers.get(x); ArrayList<Integer> temp = new ArrayList<>(); temp.add(current); for (int y = x + 1; y < numbers.size(); y++) { int nextValue = numbers.get(y); if (nextValue == current + 1) { temp.add(nextValue); current = nextValue; } else { … Read more