It is quite easy given that the core Java API classes already do the heavy lifting for you. If you like this example, you might be wondering how to create your own custom String template. 16:29:34 WARN LogForgingDemo:54 - Multiple unsuccessful login attempts : tester404 When you use the preceding code, the same username, that is, “ tester404\n\tSHUTDOWN\tSYSTEMS\tNOW“, would ignore the text following \n and log a message similar to the following: As it mightn't allow you to modify stock schemes/themes. PS: you might need to 'Save as' the default scheme before that, then choose the background color. Then, in the menu on the right: Select Background and Click the checkbox for Background. If you are wondering what the code looks like, here’s an example that uses String Templates to create multiline strings with literals and variable values, passing it to (): Change background of console: In the list menu on the left, go to: Editor -> Console Colors. The variable values could be either variables, expressions or method calls, and their values are injected at runtime. Think of it as patterns that include String literals and variable values. The name of this feature pretty much says it all – String Templates. String Templates (a preview feature introduced in Java 21) greatly improves how we create strings in Java by merging constant strings with variable values. TLDR The existing String concatenation options are difficult to work with and could be error prone. The following features are available for free with IntelliJ IDEA Community Edition: Coding assistance (highlighting, completion.
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