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@@ -27,15 +27,18 @@ Instead of `println()`, use the standard Java logger from `java.util.logging`. I
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To print comments like a pro, you use the following logger syntax.
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. Declare the logger object once per file. In the following code, replace `HelloWorld` by the name of the class where you are using this line.
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++
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[source,java]
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----
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private static final Logger logger = Logger.getLogger(HelloWorld.class.getName());
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----
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-. Declare the info that you want to include in the message. The variables (here `a, b, c`) can be any printable Java object. +Example: `Vector3f a = cam.getLocation();`
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+. Declare the info that you want to include in the message. The variables (here `a, b, c`) can be any printable Java object. +
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+Example: `Vector3f a = cam.getLocation();`
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. Put the variables in a new `Object` array. Refer to the variables as `{0},{1},{2}` etc in the message string. Variables are numbered in the order you put them into the `Object` array.
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. Add the logger line and specify the log level:
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** Usecase 1: During debugging, a developer uses a warning to remind himself of a bug:
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++
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[source,java]
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----
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logger.log(Level.WARNING, "why is {0} set to {1} again?!",
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@@ -43,6 +46,7 @@ logger.log(Level.WARNING, "why is {0} set to {1} again?!",
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----
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** Usecase 2: For the release, you inform the customer of a problem and how to solve it.
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++
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[source,java]
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----
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logger.log(Level.SEVERE, "MyGame error: {0} must not be {1} after {2}! Adjust flux generator settings.",
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mitm001