fixed warnings, better formatting, final added where possible

1 files changed, 6 insertions, 5 deletions

diff --git a/src/ast/nodes/SimpleStmtNode.java b/src/ast/nodes/SimpleStmtNode.java
index b7e5455..b2bc880 100644
--- a/src/ast/nodes/SimpleStmtNode.java
+++ b/src/ast/nodes/SimpleStmtNode.java
@@ -9,10 +9,11 @@ import semanticanalysis.SymbolTable;
  * Node for the `simple_stmt` statement of the grammar.
  */
 public class SimpleStmtNode implements Node {
-    private Node assignment;
-    private Node expr;
-    private Node returnStmt;
-    private Node importStmt;
+
+    private final Node assignment;
+    private final Node expr;
+    private final Node returnStmt;
+    private final Node importStmt;
 
     public SimpleStmtNode(Node assignment, Node expr, Node returnStmt, Node importStmt) {
         this.assignment = assignment;
@@ -23,7 +24,7 @@ public class SimpleStmtNode implements Node {
 
     @Override
     public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
-        ArrayList<SemanticError> errors = new ArrayList<SemanticError>();
+        ArrayList<SemanticError> errors = new ArrayList();
 
         if (assignment != null) {
             errors.addAll(assignment.checkSemantics(ST, _nesting));