Fixed the print of the ast and some warnings (#19)

Co-authored-by: Santo Cariotti <santo@dcariotti.me>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/ast/nodes/RootNode.java b/src/ast/nodes/RootNode.java
index 5bbce8c..26778f4 100644
--- a/src/ast/nodes/RootNode.java
+++ b/src/ast/nodes/RootNode.java
@@ -20,10 +20,10 @@ public class RootNode implements Node {
 
     @Override
     public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
-        ArrayList<SemanticError> errors = new ArrayList();
+        ArrayList<SemanticError> errors = new ArrayList<>();
 
         // Create a new HashMap for the current scope
-        HashMap<String, STentry> HM = new HashMap();
+        HashMap<String, STentry> HM = new HashMap<>();
 
         // Add the HashMap to the SymbolTable
         ST.add(HM);