Changing the window size is done in the try area of the try/catch block

Author: Synthird

src/MainFrame.java

@@ -74,12 +74,11 @@ public void actionPerformed(ActionEvent e) {
 			try {
 				widthSize = Integer.parseInt(widthTextField.getText().replaceAll("\\s", ""));
 				heightSize = Integer.parseInt(heightTextField.getText().replaceAll("\\s", ""));
+				this.setSize(widthSize, heightSize);
 			} catch (NumberFormatException exception) {
 				JOptionPane.showMessageDialog(this, String.format(
 						"Empty textfields/textboxes, letters, decimals, symbols, or numbers larger than %s are not allowed!",
 						Integer.MAX_VALUE), "CANNOT RESIZE!", JOptionPane.ERROR_MESSAGE);
-			} finally {
-				this.setSize(widthSize, heightSize);
 			}
 		} else if (e.getSource() == resizable) {
 			this.setResizable(!this.isResizable());