diff --git a/docs/pages/release_notes.md b/docs/pages/release_notes.md
index b71802298d..0e8468ae86 100644
--- a/docs/pages/release_notes.md
+++ b/docs/pages/release_notes.md
@@ -102,6 +102,7 @@ now deprecated until 7.0.0. The proposed changes to the API are described [on th
 *   [#1428](https://github.com/pmd/pmd/pull/1428): \[core] Upgrading JCommander from 1.48 to 1.72 - [Thunderforge](https://github.com/Thunderforge)
 *   [#1430](https://github.com/pmd/pmd/pull/1430): \[doc] Who really knows regex? - [Dem Pilafian](https://github.com/dpilafian)
 *   [#1434](https://github.com/pmd/pmd/pull/1434): \[java] JUnitTestsShouldIncludeAssert: Recognize AssertJ soft assertions as valid assert statements - [Loïc Ledoyen](https://github.com/ledoyen)
+*   [#1447](https://github.com/pmd/pmd/pull/1447): \[fortran] Use diamond operator in impl - [reudismam](https://github.com/reudismam)
 *   [#1464](https://github.com/pmd/pmd/pull/1464): \[doc] Fix XSS on documentation web page - [Maxime Robert](https://github.com/marob)
 
 {% endtocmaker %}
diff --git a/pmd-fortran/src/main/java/net/sourceforge/pmd/cpd/FortranTokenizer.java b/pmd-fortran/src/main/java/net/sourceforge/pmd/cpd/FortranTokenizer.java
index 30d3ba70dd..d5a30f1bb8 100644
--- a/pmd-fortran/src/main/java/net/sourceforge/pmd/cpd/FortranTokenizer.java
+++ b/pmd-fortran/src/main/java/net/sourceforge/pmd/cpd/FortranTokenizer.java
@@ -19,16 +19,16 @@ public class FortranTokenizer extends AbstractTokenizer implements Tokenizer {
     public FortranTokenizer() {
         this.spanMultipleLinesString = false; // No such thing in Fortran !
         // setting markers for "string" in Fortran
-        this.stringToken = new ArrayList<String>();
+        this.stringToken = new ArrayList<>();
         this.stringToken.add("\'");
         // setting markers for 'ignorable character' in Fortran
-        this.ignorableCharacter = new ArrayList<String>();
+        this.ignorableCharacter = new ArrayList<>();
         this.ignorableCharacter.add("(");
         this.ignorableCharacter.add(")");
         this.ignorableCharacter.add(",");
 
         // setting markers for 'ignorable string' in Fortran
-        this.ignorableStmt = new ArrayList<String>();
+        this.ignorableStmt = new ArrayList<>();
         this.ignorableStmt.add("do");
         this.ignorableStmt.add("while");
         this.ignorableStmt.add("end");