[ad_1] The below code is doing a complete file encryption and decryption and is compatible to the OpenSSL commands encrypt: openssl enc -aes-256-cbc -pass pass:testpass -d -p -in plaintext.txt -out plaintext.txt.crypt -md md5 decrypt: openssl aes-256-cbc -d -in plaintext.txt.crypt -out plaintext1.txt -k testpass -md md5 I left out some variables as they are not used … Read more
[ad_1] You should first split the String with the method split(), and afterwards convert the strings into integers. String str = “1,2,3,4”; String strs[] = str.split(“,”); int ints[] = new int[strs.length]; for (int i = 0; i < strs.length; i++) ints[i] = Integer.parseInt(strs[i]); 0 [ad_2] solved String To int [] in java [closed]
[ad_1] You can do this: public class IntArrayDemo { private static final int DEFAULT_SIZE = 10; private int [] values; public IntArrayDemo() { this(DEFAULT_SIZE); } public IntArrayDemo(int size) { if (size < 0) throw new IllegalArgumentException(“size cannot be negative”); this.values = new int[size]; } } [ad_2] solved Array Default Constructor [closed]
[ad_1] Using Webcam Capture project. Example from author for the API usage: Webcam buildin = Webcam.getWebcams().get(0); // build-in laptop camera Webcam usb = Webcam.getWebcams().get(1); // usb camera BufferedImage image1 = buildin.getImage(); BufferedImage image2 = usb.getImage(); // do with image1 and image2 whatever you want 11 [ad_2] solved Using the camera of the laptop with swing … Read more
[ad_1] As you have created an instance of the class Bachcha in your main method, you can use that instance to access the methods. String n = System.console().readLine(“enter name”); String g = System.console().readLine(“enter gender”); Bachcha b = new Bachcha(n, g); b.getName(); b.getGender(); [ad_2] solved a constructor having 2 parameters
[ad_1] Based on the fact that your images is a available ArrayList<>, you should do like this: if(images.size() > 0){ for (Element src : images){ if (src != null) { System.out.println(“Source ” + src.attr(“abs:src”)); } } } else { System.out.println(“There are no elements in ArrayList<> images”); } First you check if there are elements in … Read more
[ad_1] In C or C++, ++i means (i = i + 1) i++ means (i = i + 1, i – 1) 5 [ad_2] solved How to represent this basic expression? [closed]
[ad_1] The LocalDate class has isAfter(LocalDate other) isBefore(LocalDate other) isEqual(LocalDate other) methods for comparisons with other dates. Here is an example: LocalDate today = LocalDate.now(); LocalDate tomorrow = LocalDate.now().plusDays(1); LocalDate yesterday = LocalDate.now().minusDays(1); if(today.isAfter(yesterday) && today.isBefore(tomorrow)) System.out.println(“Today is… today!”); [ad_2] solved Date between other Dates java.time [duplicate]
[ad_1] Declare new variable in adapter Context mContext; replace your adapter constructor MyAdapter(String Titles[], int Icons[], String Name, String Email, int Profile) { mNavTitles = Titles; mIcons = Icons; name = Name; email = Email; profile = Profile; } with below MyAdapter(String Titles[], int Icons[], String Name, String Email, int Profile,Context cntx) { mNavTitles = … Read more
[ad_1] it has to search the directory which conrtains subfolders also it has to search along the sub folders Your method to search a directory needs to be recursive. Here is an example of a recursive method that lists the files in all the sub directories: import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import … Read more
[ad_1] You need to update the Firebase versions to the latest Note : Latest firebase version is 15 [ad_2] solved Fix the version conflict (google-services plugin)
[ad_1] Use a JFXPanel. From the documentation => public class Test { private static void initAndShowGUI() { // This method is invoked on Swing thread JFrame frame = new JFrame(“FX”); final JFXPanel fxPanel = new JFXPanel(); frame.add(fxPanel); frame.setVisible(true); Platform.runLater(new Runnable() { @Override public void run() { initFX(fxPanel); } }); } private static void initFX(JFXPanel fxPanel) … Read more
[ad_1] Your problem lies here: public void main(String args[]) { System.out.println(“Set health”); h = sc.nextInt(); l(h); //Root of your problems } method l() is undefined under the scope of class f1. Meaning that f1 do not understand what is l(). To let class f1 know what is it, you can: public void main(String args[]) { … Read more
[ad_1] Make use of split method in String. Assuming you have standard format. String [] commasplit = Array[0].split(“,”); And then String [] allocated = commasplit[1].split(” : “); String allocatedValue = allocated[1] //2B (13) Given the codes, write a generic method with method params, so that you won’t end up in writing it multiple times. 3 … Read more
[ad_1] initialize your string s1. String s1 = “”; for(Integer s : array) { s1 += s; } JOptionpane.showMessageDialog(null, s1); [ad_2] solved Put Integer ArrayList into a a single String