Add GUI

src/org/nwapw/abacus/window/Window.java

@@ -0,0 +1,63 @@
+package org.nwapw.abacus.window;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Window extends JFrame {
+    private String history;
+    private String lastOutput;
+    public Window(){
+        super();
+        try {
+            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        } catch (InstantiationException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        } catch (UnsupportedLookAndFeelException e) {
+            e.printStackTrace();
+        }
+        
+        //JFrame super= new JFrame();
+        //ImageIcon check = new ImageIcon(".\\Window Images\\Untitled.png");
+        String check = "Enter";
+        JButton checkButton = new JButton(check);
+        JTextField inputBox = new JTextField();
+        history="";
+        JTextArea historyBox = new JTextArea(history);
+        JScrollPane scrollHistoryBox = new JScrollPane(historyBox);
+        JTextArea outputBox = new JTextArea(lastOutput);
+        JPanel output=new JPanel();
+        output.setLayout(new BorderLayout());
+        output.add(scrollHistoryBox);
+        output.add(outputBox, BorderLayout.PAGE_END);
+        JPanel input = new JPanel();
+        input.setLayout(new BorderLayout());
+        input.add(inputBox);
+        input.add(checkButton, BorderLayout.LINE_END);
+        super.add(output);
+        JPanel custom = new JPanel();
+        JPanel numCustom = new JPanel();
+        JPanel funCustom = new JPanel();
+        custom.setLayout(new BorderLayout());
+        numCustom.setLayout(new BorderLayout());
+        funCustom.setLayout(new BorderLayout());
+        JTextArea numLabel = new JTextArea("Number Type:");
+        JTextArea funLabel = new JTextArea("Functions:");
+        JComboBox<String> numList = new JComboBox();
+        JComboBox<String> funList = new JComboBox();
+        JButton funCheckButton = new JButton(check);
+        numCustom.add(numLabel);
+        numCustom.add(numList, BorderLayout.PAGE_END);
+        funCustom.add(funList);
+        funCustom.add(funCheckButton, BorderLayout.LINE_END);
+        funCustom.add(funLabel, BorderLayout.PAGE_START);
+        custom.add(numCustom);
+        custom.add(funCustom, BorderLayout.PAGE_END);
+        super.add(custom, BorderLayout.LINE_END);
+        super.add(input, BorderLayout.PAGE_END);
+        super.setVisible(true);
+    }
+}

src/org/nwapw/abacus/window/WindowTest.java

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+package org.nwapw.abacus.window;
+
+import javax.swing.*;
+import java.awt.Color;
+import java.awt.Frame;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.BorderLayout;
+import java.util.Arrays;
+public class WindowTest {
+    public static void main(String[] args){
+
+
+
+
+
+
+
+
+
+        new Window().setVisible(true);
+
+    }
+}