первый вариант GUI

src/main/java/ru/dmitriymx/corrector1s/gui/Main.java

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+package ru.dmitriymx.corrector1s.gui;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.image.Image;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class Main extends Application {
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+    @Override
+    public void start(Stage primaryStage) throws Exception {
+        primaryStage.setTitle("1С корректор (v1.0)");
+        primaryStage.setResizable(false);
+        primaryStage.getIcons().add(new Image(getClass().getResourceAsStream("excel.png")));
+        primaryStage.setScene(loadScene());
+        primaryStage.show();
+    }
+
+    private Scene loadScene() throws IOException {
+        FXMLLoader loader = new FXMLLoader();
+        loader.setLocation(getClass().getResource("single_layout.fxml"));
+        return new Scene(loader.load(), 350-10, 174-10);
+    }
+}

src/main/resources/ru/dmitriymx/corrector1s/gui/single_layout.fxml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.image.Image?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.layout.Pane?>
+<?import javafx.scene.text.Font?>
+
+
+<Pane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="174.0"
+      prefWidth="350.0" xmlns="http://javafx.com/javafx/8.0.111">
+   <padding>
+      <Insets bottom="10.0" left="10.0" right="10.0" top="10.0"/>
+   </padding>
+   <ImageView fitHeight="103.0" fitWidth="108.0" pickOnBounds="true" preserveRatio="true" x="10.0" y="10.0">
+      <Image url="@excel.png"/>
+   </ImageView>
+   <Label layoutX="132.0" layoutY="10.0" text="Исходный файл"/>
+   <TextField layoutX="132.0" layoutY="32.0" prefHeight="25.0" prefWidth="178.0"/>
+   <Button layoutX="313.0" layoutY="32.0" mnemonicParsing="false" text="..."/>
+   <CheckBox layoutX="133.0" layoutY="67.0" mnemonicParsing="false" text="Сохранить как..."/>
+   <TextField disable="true" layoutX="132.0" layoutY="89.0" prefHeight="25.0" prefWidth="178.0"/>
+   <Button disable="true" layoutX="313.0" layoutY="89.0" mnemonicParsing="false" text="..."/>
+   <Button layoutX="14.0" layoutY="134.0" mnemonicParsing="false" prefHeight="25.0" prefWidth="324.0"
+           text="Преобразовать">
+      <font>
+         <Font name="System Bold" size="12.0"/>
+      </font>
+   </Button>
+</Pane>