Add the PMD Plugin

Author: durimkryeziu

buildSrc/src/main/groovy/com.craftsmanshipinsoftware.common-conventions.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'java'
+    id 'pmd'
 }
 
 repositories {
@@ -19,3 +20,11 @@ testing {
         }
     }
 }
+
+pmd {
+    consoleOutput = true
+    toolVersion = "7.6.0"
+    ruleSets = ["category/java/errorprone.xml",
+                "category/java/bestpractices.xml",
+                "category/java/performance.xml"]
+}

characters-count/src/main/java/com/craftsmanshipinsoftware/charscnt/console/CharactersCounter.java

@@ -27,6 +27,7 @@ public void displayCharactersCount() {
     this.printStream.printf("%s has %d characters.%n", input, input.length());
   }
 
+  @SuppressWarnings("PMD.SystemPrintln")
   private void askForInput() {
     System.out.print("What is the input string? ");
   }

printing-quotes/src/main/java/com/craftsmanshipinsoftware/prntqts/QuotesPrinter.java

@@ -33,10 +33,12 @@ void displayQuote() {
     }
   }
 
+  @SuppressWarnings("PMD.SystemPrintln")
   private void askForQuote() {
     System.out.print("What is the quote? ");
   }
 
+  @SuppressWarnings("PMD.SystemPrintln")
   private void askForAuthor() {
     System.out.print("Who said it? ");
   }

saying-hello/src/main/java/com/craftsmanshipinsoftware/hello/GreetPrinter.java

@@ -23,6 +23,7 @@ void sayHello() {
     this.printStream.printf("Hello, %s, nice to meet you!%n", name);
   }
 
+  @SuppressWarnings("PMD.SystemPrintln")
   private void askForName() {
     System.out.print("What is your name? ");
   }