[Solved] I have a string “I love stack overflow very much” how to remove spaces between character and make groups of 8 character? [closed]

public class Run { public static void main(String[] args) { String string = “I love stack overflow very much”; //replacing all newline and and then making tokens String[] words = string.replaceAll(“\\s”, “”).split(“(?<=\\G.{8})”); for (String st : words) { if (st.length() == 8) { // if length of the string is 8, just print the string … Read more

[Solved] Could the combobox.removeAllItems method throw an exception if the combobox was empty? [closed]

A quick test reveals that nothing happens: import javax.swing.JComboBox; class ComboBoxTest { public static void main(String[] args) { JComboBox<String> box = new JComboBox<String>(); box.removeAllItems(); } } No errors were thrown 0 solved Could the combobox.removeAllItems method throw an exception if the combobox was empty? [closed]

[Solved] Is there a simpler way of to write this java program?

You can do it using indexOf and substrings: int index= word.indexOf(” “); do{ System.out.println(word.substring(0, index)); word = word.substring(index + 1); index = word.indexOf(” “); } while (index != -1); solved Is there a simpler way of to write this java program?

[Solved] How to increase performance in Spring MVC – Hibernate – JSP – AngularJS v1.6? [closed]

Without more detail, I can only offer general advice, but here goes: Start by profiling the application to see where the bottlenecks actually are. See this question for a list of profiling tools. The golden rule is to measure first, then optimise only what needs optimising! Once you know where improvements need to be made, … Read more

[Solved] How to programatically download a file from a website for which a static URL is not available or how to form a static URL

Here is the answer for someone who has no code: Use this URL: https://340bopais.hrsa.gov/reports Connect to this URL with ‘WebClient’ Get the Page with ‘HtmlPage’ Wait until JavaScript files loaded. Download execute it and download result to given path. Mabe this already asked example code can help you. 2 solved How to programatically download a … Read more

[Solved] String inside ArrayList

This is a example program to get what you asked for… hope it helps public static void main(String[] args) { ArrayList<String []> a = new ArrayList<>(); String b[] = {“not here”,”not here2″}; String c[] = {“not here3″,”i’m here”}; a.add(b); a.add(c); for (String[] array : a) {// This loop is used to iterate through the arraylist … Read more

[Solved] Find difference between two timestamps [closed]

Try this method: public static long getDateDiff(long timeUpdate, long timeNow, TimeUnit timeUnit) { long diffInMillies = Math.abs(timeNow – timeUpdate); return timeUnit.convert(diffInMillies, TimeUnit.MILLISECONDS); } It gives you the difference of whatever unit (days, years, …). long timestamp1 = 1500462813000; long timestamp2 = System.currentTimeMillis(); long diffInDays = getDateDiff(timestamp1, timestamp2, TimeUnit.DAYS); 2 solved Find difference between two timestamps … Read more