[Solved] Print text and image on the paper in java
Try this one or just use google with “java swing tutorial” or “java awt tutorial”: http://zetcode.com/tutorials/javaswingtutorial/firstprograms/ 5 solved Print text and image on the paper in java
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[Solved] Why do we use String docType in java? also tell me their advantages? [duplicate]
Web pages are written in HTML. At the top of an HTML page, there should be a document type declaration, that describes exactly which variant of HTML is used (unfortunately, because of historical reasons, there are different variants / versions of HTML being used around the web). A servlet is a software component that runs … Read more
[Solved] Web Application using Java [closed]
Study Java EE, particularly Servlets and JSP. This was the reference that I used. Basically, you need to understand the MVC(model-view-controller) pattern. Lastly, learn how to incorporate your CSS/HTML/JavaScript/etc in your JSP. 1 solved Web Application using Java [closed]
[Solved] Adding a space in between underscores
Just print the space in your for loop char[] guessWord = new char[word.length()]; for (int i = 0; i < guessWord.length; i++){ guessWord[i] = ‘_’; System.out.print(guessWord[i] + ” “); } System.out.println(); solved Adding a space in between underscores
[Solved] Syntax error in calling a method java (newbie) [closed]
you can call a void method like any other method, except that you don’t have to do anything with the return value because there isn’t one. case 2: listBasket(basket); break; for your third case, you have to pass in both a double and an ArrayList if you want to pass 0 as your double, than … Read more
[Solved] Create array list with mixed types in Java [closed]
Create a base class of ExpressionToken and have NumberToken and OperatorToken extend it. Parameterize the ArrayList as a list of ExpressionTokens. solved Create array list with mixed types in Java [closed]
[Solved] Java – What’s the most efficient way of drawing large number of pixels on the screen
The process of showing an image in memory to the screen-buffer is done deep inside the Java API by a process called blitting. The details differ between the type of image you use and even between Java versions. Images in Java can be ‘accelerated’ which means they can be anything between an image compatible with … Read more
[Solved] Replace text inside .txt file or .xml file using loop [closed]
Using xml linq : using System; using System.Collections.Generic; using System.Collections; using System.Linq; using System.Text; using System.Xml; using System.Xml.Linq; namespace ConsoleApplication { class Program { static void Main(string[] args) { string xml = @”<Root> <Tag1> <USA></USA> <UK></UK> </Tag1> <Tag2> <FRA></FRA> <USA></USA> </Tag2> </Root>”; XDocument doc = XDocument.Parse(xml); List<XElement> tags = doc.Descendants().Where(x => x.Name.LocalName.StartsWith(“Tag”)).ToList(); List<string> countries = … Read more
[Solved] How to replace the string [closed]
I think using Regular Expression works better. private static String setSize(String htmlString) { String reg = “size=”[0-9]+””; Pattern pattern = Pattern.compile(reg); Matcher matcher = pattern.matcher(htmlString); while (matcher.find()) { String sizeString = matcher.group(); pattern = Pattern.compile(“[0-9]+”); Matcher numMatcher = pattern.matcher(sizeString); if (numMatcher.find()) { String size = numMatcher.group(); int realSize = Integer.parseInt(size); int resultSize = realSize / … Read more
[Solved] Writing a java file [closed]
The immediate issue is a missing open brace ({) and an closing parenthesis ()) public static void main(String[] args) { ^— This is important… Scanner input = new Scanner( System.in); ^— Also important 😛 BufferReader br = new BufferReader(instream); System.out.println(“Enter your annual sales”); String annual = br.readLine(); int salary = 75_502_81; int com = 38_28; … Read more
[Solved] return issue for method in java [closed]
based on the following formula: one knot for every 10 million spent plus one more for each of the crew who own a house in New Zealand. What you did is multiply using *. You want to divide. Say you have: Below 10 million, then you want 0 knots. 10 million, then you want 1 … Read more
[Solved] How to convert java list of objects to 2D array?
Not 100% sure what you are asking, but I’ll give it a try. Assuming you have a list of Points… List<Point2D> points = Arrays.asList(new Point2D.Double(12., 34.), new Point2D.Double(56., 78.)); … you can turn that list into a 2D-array like this: double[][] array = points.stream() .map(p -> new double[] {p.getX(), p.getY()}) .toArray(double[][]::new); … or into a … Read more
[Solved] if char equals a letter then execute a code
charAt is zero based. You should use ab.charAt(0) if you use only a single char. Another good advice is to start method names with a lower case and use the camelCase format. 3 solved if char equals a letter then execute a code
[Solved] Java Nested If statements – where do brackets go
if (){ if (){ } else if (){ } else (){ } } else if (){ if (){ } else (){ } } else (){ } 1 solved Java Nested If statements – where do brackets go
[Solved] How to call public void(int i,string s)
public void checkout(String answer,int missedcallcount) Declaration of this method shows, that you need to pass two parameters to call it properly – in this example, if you want to call this method you need to pass to it String as a first argument, and int as a second argument. Here is an example of correct … Read more