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Java: ReplaceAll throws PatternSyntaxException – how to fix

The Java String method replaceAll offers an easy way to replace part of a String against another. However this can fail in unexpected ways when the search pattern contains special symbols. Here is...

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Java: how to split a string at a pipe character (“|”)

The java method String.split(String regex) is very useful for splitting a string into parts. Just specify the separator. Be aware however, that the parameter of split is a regular expression. So the...

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link to Reading and writing ZIP files in Java

Reading and writing ZIP files in Java

You can read and write ZIP files in Java using the classes ZipInputStream and ZipOutputStream. Both use ZipEntry for navigating the zipped files within the archive. These classes belong to the...

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link to How to connect to Google Search Console easily

How to connect to Google Search Console easily

Google Search Console is an important tool for every blogger. It allows you to see how often your website was shown in the search results of Google. In order to get access to this data, Google needs...

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link to SAP: how to show the transaction codes in the SAP menu

SAP: how to show the transaction codes in the SAP menu

The SAP menu can show the transaction codes next to the transaction names. This is a great help in order to learn those codes. You can use these codes directly in the SAP GUI to start your...

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link to Java: how to list all available fonts

Java: how to list all available fonts

Java allows you to use different fonts in your swing dialog elements. The class GraphicsEnvironment will tell you which fonts are available on your computer. The method to use is called...

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