[ad_1] Try this String str = “DOC_87654321 -ABC76543″; StringBuilder sb = new StringBuilder(); for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); if (Character.isDigit(c)) { sb.append(c + ” “); } else { sb.append(c); } } Log.e(“DATA”,sb.toString()); 12 [ad_2] solved How to add spaces in between numbers contained inside a string? … Read more
[ad_1] What’s the meaning of && in the second call ? [c&&c] is character class with means either of the characters in it. I got true. Because c matches either of c&&c. Basically [c&] will be enough. c&&c means literally. c followed by & followed by & followed by c. Which does not match just … Read more
[ad_1] I’m not going to fix your code for you. Doing that is part of your homework. However, here are a couple of hints to start you in the right direction. Hint: Look carefully at how your Reservation constructor (tries to) initialize the object’s fields. See the problem? Hint 2: The problem that tripped you … Read more
[ad_1] You start by taking the string. ansible-playbook delete.yml –extra-vars “host=5.955.595 user=root pass=anotherpw vm=myVm” Then you escape all special characters. In this case, that’s just the 2 double-quotes. ansible-playbook delete.yml –extra-vars \”host=5.955.595 user=root pass=anotherpw vm=myVm\” Then you surround that with double-quotes, to make it a Java string literal. “ansible-playbook delete.yml –extra-vars \”host=5.955.595 user=root pass=anotherpw vm=myVm\”” … Read more
[ad_1] You can do the same with Streams: Map<String, String> dic = Files.lines(Paths.get(AlphabetFile)) .map(l -> l.split(“=”)) .collect(Collectors.toMap(s -> s[0].trim(), s -> s[1].trim())); 1 [ad_2] solved Need java equivalent of this c# code [duplicate]
[ad_1] Hope this helps. Code can be improved with exceptions checks. This one is just to get started with. package com.samples; import java.util.Scanner; public class ScannerSample { public static void main(String [] args) { Scanner scanner = new Scanner(System.in); int [] mas = new int[50]; int inputInt = scanner.nextInt(); mas[0] = inputInt; int count = … Read more
[ad_1] You use post increment and decrement operator : return number++; return number–; For example here : public static int addOne(int number) { return ++number; } The value number is incremented but only as soon as the next statement. So as you return, the same value as the parameter is returned. It is the same … Read more
[ad_1] U can use the following code……… Runtime rt = Rintime.getRuntime() ; Process p => rt.exec(“Program.exe”) ; [ad_2] solved How can I run a .exe from my Java Program? [duplicate]
[ad_1] You can try the following function. public static void parseFile() throws IOException, ParseException { BufferedReader bufferedReader = new BufferedReader(new FileReader(new File(“inputFileName.txt”))); Map<Integer, Date> integerDateMap = new HashMap<>(); // Map to put data SimpleDateFormat sdfmt2= new SimpleDateFormat(“dd/MM/yyyy”); // date format String line = null; line = bufferedReader.readLine(); // neglect first line while((line = bufferedReader.readLine())!= null){ … Read more
[ad_1] Are you just trying to get the list from another object? CodUtility.listaCodiciTipologiaProgetto; Will return the list. 0 [ad_2] solved How can I access to a public final static list declared into an utility class from another class in a Java application?
[ad_1] 3n + 5n^2 + 1 | applying Big-O notation for the single terms = O(3n) + O(5n^2) + O(1) | leaving out constant multipliers = O(n) + O(n^2) + O(1) | taking the one with the maximum power = O(n^2) => quadratic time So you are right, the first option is the quadratic one. … Read more
[ad_1] JSON by default declares one top value only (and yes, this would be a valid JSON document), but there is JSON streaming that uses arbitrary techniques to concatenate multiple JSON elements into a single stream assuming that the stream consumer can parse it (read more). Gson supports a so-called lenient mode that turns off … Read more
[ad_1] The error you are getting is because your generic is using improper bounding. Change your method declaration to: public static <T extends IFoo2> T convert(IFoo1 foo1, Class<T> clz) { T foo2 = clz.newInstance(); …. return foo2; } There is another type of bounding you may have been thinking of. I recommend reading this SO … Read more
[ad_1] Maybe this code can help. public static void main(String[] args) throws Exception { // write your code here Scanner scanner = new Scanner(new File(“C:\\directory\\test.txt”)); List<BigInteger> bigIntegers = new ArrayList<>(); while (scanner.hasNext()) { bigIntegers.add(new BigInteger(scanner.next())); } BigInteger total = new BigInteger(“0”); for(BigInteger bigInt: bigIntegers) { total = total.add(bigInt); } System.out.println(total); } 3 [ad_2] solved How … Read more
[ad_1] Unittests in general test public observable behavior in your case it is the interaction with the two streams. create mocks for the two steams (usually I’d suggest to use a mocking framework but there are some simple implementations in the standard lib quite suitable for this purpose…) Configure the inputStream to return data in … Read more