How to use logger to send any output instead of the console?

How to use logger to send any output instead of the console?

How to use logger to send any output instead of the
console?There are three commonly used logger inferfaces, the log4j, the java.util.loging and the Commons logging (which works with either.)
You create a logger object, generally one for each class. Normally a private static variable points to it and it has a name equal to the FQN of the class.
e.g.
package org.widget;
public class MyClass {
  private static   Logger log = Logger.getLogger("org.widget.MyClass");That's the java.uitil.Logger formula.
Then there are method on the logger to call for various kinds of output. There' are different logging levels, priorities like SEVERE or DEBUG. When running the logs are configured to ignore messages of less than a set priority.
You can also pass an Exception or Error to the logger which will log the stack trace.

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