From 31aa09f9452f553a9aa1af8fc82cac42624b4015 Mon Sep 17 00:00:00 2001
From: scientistkaan <scientist1943@gmail.com>
Date: Wed, 3 Sep 2025 10:56:56 +0300
Subject: [PATCH] added feature to calculate with values which is 'double' type

---
 src/simplejavacalculator/UI.java | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/simplejavacalculator/UI.java b/src/simplejavacalculator/UI.java
index 087bfb1..2c890cd 100644
--- a/src/simplejavacalculator/UI.java
+++ b/src/simplejavacalculator/UI.java
@@ -56,7 +56,7 @@ public class UI implements ActionListener {
    private final Calculator calc;
    
    private final String[] buttonValue = {"0", "1", "2", "3", "4", "5", "6",
-      "7", "8", "9"};
+      "7", "8", "9", "."};
    
 
    private final Font font;
@@ -87,9 +87,9 @@ public UI() throws IOException {
       
       textFont = new Font("Consolas",Font.BOLD, 24);
       
-      but = new JButton[10];      
-      for (int i = 0; i < 10; i++) {
-    		 but[i] = new JButton(String.valueOf(i));
+      but = new JButton[11];     
+      for (int i = 0; i < 11; i++) {
+    	  but[i] = new JButton(String.valueOf( buttonValue[i] ));
       }      
       butAdd = new JButton("+");      
       butMinus = new JButton("-");      
@@ -124,7 +124,7 @@ public void init() {
       text.setFont(textFont);
       text.setEditable(false);
       
-      for (int i = 0; i < 10; i++) {
+      for (int i = 0; i < 11; i++) {
          but[i].setFont(font);
       }      
       butAdd.setFont(font);
@@ -173,10 +173,10 @@ public void init() {
       panelSub4.add(butEqual);
       panelSub4.add(butCancel);
       panel.add(panelSub4);
-      
-      panelSub5.add(Box.createHorizontalStrut(92));
+
+      panelSub5.add(Box.createHorizontalStrut(44));
+      panelSub5.add(but[10]);
       panelSub5.add(but[0]);
-      panelSub5.add(butln); 
       panelSub5.add(Box.createHorizontalStrut(210));
       panel.add(panelSub5);
       
@@ -189,6 +189,7 @@ public void init() {
       panelSub7.add(butCos);
       panelSub7.add(butSin);
       panelSub7.add(butTan);
+      panelSub7.add(butln); 
       panel.add(panelSub7);
       
       panelSub8.add(butlog);
@@ -197,7 +198,7 @@ public void init() {
       panelSub8.add(butBinary);
       panel.add(panelSub8);
       
-      for (int i = 0; i < 10; i++) {
+      for (int i = 0; i < 11; i++) {
          but[i].addActionListener(this);
       }      
       butAdd.addActionListener(this);
@@ -229,7 +230,7 @@ public void actionPerformed(ActionEvent e) {
       final Object source = e.getSource();
       Double checkNum = null;
 
-      for (int i = 0; i < 10; i++) {
+      for (int i = 0; i < 11; i++) {
          if (source == but[i]) {
             text.replaceSelection(buttonValue[i]);
             return;