[Solved] Sorting TreeMap alphabetically

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Eric Berry wrote a handy class that compares Strings by human values instead of traditional machine values. Below is a modified version of it along with Object comparator (what I think you are looking for) and its testing class. An example on how to use the string comparator: Map<String,String> humanSortedMap = new TreeMap<>(new AlphaNumericStringComparator()); An … Read more

[Solved] Navigate in DOM with Javascript

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The easiest way would be to use: document.getElementsByTagName(“*”).length Is there something necessary like the numerical coding for node types like: 1: for element-nodes 3: for text-nodes 9: for document-nodes? No. You could write a function which recursively loops over the children of every node (starting at the document) and testing the node type of each … Read more

[Solved] What is this parameter used for?

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Regardless of what I input in the parameter for this, nothing changes?? It’s because the filename argument is not used anywhere in the ReadNumberFile(String filename) method.. As it seems, this parameter (filename) represents the name (or maybe the fully-qualified path) of a file that should be read. If that’s the case, you should change this … Read more

[Solved] If the first name, last name and the nick name starts with the special chars [closed]

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You can use String#matches() to check if a name begins with any of the special characters on your blacklist: if (name.matches(“(?:!|@|#|\\$|%|\\^|&|\\*|\\(|\\)|_|\\+|\\?|>|‌​<).*”)) { System.out.println(“Enter valid name”); } Another way: String specialChars = “!@#$%^&*()_+?><“; if (specialChars.indexOf(name.charAt(0)) != -1) { System.out.println(“Enter valid name”); } solved If the first name, last name and the nick name starts with the … Read more

[Solved] How to split string in JavaScript [closed]

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var yourString=”Normal content<code>Add your code here</code>Normal content<code>Add your code here</code>”; var arrResult=yourString.replace(/\<code\>/g,’#<code>’).replace(/\<\/code\>/g,'</code>#’).split(“#”); try this. 2 solved How to split string in JavaScript [closed]