Disallow use of System.out.println and System.err.println

[romack (Chris Romack)]

• description of the Rule
  Should use a logger instead so that a log level can be specified, log verbosity can be controlled or completely suppressed using the log configuration.

• snippet of Noncompliant Code

    public void doSomething() {
        System.out.println("Doing Something...");
    }

• snippet of Compilant Code (fixing the above noncompliant code)

    public void someSomething() {
        LOGGER.debug("Doing Something...");
    }

• external references and/or language specifications
• type : Code Smell
• tags . java, codesmell

[CrushaKRool]

Such a rule already exists:
https://rules.sonarsource.com/java/RSPEC-106