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TeachCode Studio
TeachCode
Studio
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Java
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Drawing Tools
Shapes
Java
Common Style Options
Color Palette
Stroke & Brush Size
Shape Fill
Line Style
100%
0
Shapes & Lines Library
Basic Shapes
12
Flowchart Shapes
8
Callouts & Bubbles
4
Lines & Connectors
6
Color
Fill & Line
Tool Options
Canvas Zoom
Background Style
Eraser Actions
Flow Studio Actions
Quick Node Presets
Color
Sticky Note Color
Stroke Width
Pen Ink Style
Curve Smoothing
Fill Style
Line Style
Text Size
Font Family
Language
Java Concepts
Selection Actions
Text Mode
Text Box
14px
1
Console Output
Exit 0
1ms
// Output will appear here after clicking [▶ Run]
0 chars
Tab ⇥ press Tab to complete
Java 21 Studio
Java Node Library
Click to add programming logic nodes Variables & Data Types
2. Java Variables
int, double, String, boolean, final, var
3. Java DataTypes & Casting
byte, short, long, float, (int) cast, parse
7. Java Booleans
true, false, boolean logic flags
12. Java Arrays & For-Each
int[], String[], length, for (x : arr)
Operators & Strings
4. Java Operators
+ - * / % ++ -- && || ! & | ?:
5. Java Strings
.length(), .toUpperCase(), .substring()
6. Java Math
Math.sqrt(), Math.pow(), Math.random()
Control Flow & Loops
8. Java If...Else
if (condition) { True } else { False }
9. Java Switch
switch (expr) { case 1, 2, default }
10. Java While / Do-While
while (condition) & do-while
Java For Loop
for (int i = 0; i < n; i++)
11. Java Break / Continue
break; & continue; statements
Methods, Scope & Recursion
13. Java Methods
public static returnType name(...)
14. Method Parameters & Call
name(arg1, arg2) & capture return
15. Method Overloading
plusMethod(int) vs plusMethod(double)
16. Java Scope
{ Block Scope } variable isolation
17. Java Recursion
Base case + Recursive step & stack
Java OOPs & Architecture
Java OOPs Concepts
4 Core Pillars & Architectural Design
Java Class & Objects
class Car { ... } & new Car()
Java Class Attributes
private/public fields & state values
Java Class Methods
Instance methods, actions & behaviors
Java Constructors
public ClassName(...) & this(...)
Java Encapsulation
private fields + get/set accessors
Java Inheritance
class Dog extends Animal (@Override)
Java Polymorphism
Animal a = new Dog(); a.makeSound();
Java Abstraction
abstract class Shape & concrete Circle
Java Interface
interface Playable & class implements
Advanced Java & Keywords
Java super Keyword
super(...) & super.method() parent calls
Java Keywords
final, static, this, instanceof
Java Modifiers
public static final, abstract, synchronized
Java Inner Classes
Outer.Inner inner = outer.new Inner()
Java Anonymous & Lambda
(params) -> { expressions }
Java Enum
enum Level { LOW, MEDIUM, HIGH }
Java Packages / API
package com.app; import java.util.*;
I/O & Date Time
Java User Input (Scanner)
Scanner sc = new Scanner(System.in)
Java Date & Time
LocalDateTime.now(), DateTimeFormatter
Execution & Comments
1. Java Comments
// Single, /* Multi */, /** Javadoc */
Main Entry
public static void main(String[] args)
System.out.println
Print text, values & expressions
Java Execution Console
Ready
[AuraBoard Java Engine] Ready to execute node flow graph. Click 'Run' to begin.
WhiteboardFlow.java
// Click 'Run' to compile and generate Java code
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LocalStorage Data Management
Browser Storage Used
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Keyboard Shortcuts
V Select / Transform
H / Space+Drag Pan Canvas
P Freehand Pen
M Highlighter
E Eraser
R Rectangle
C Circle
A Arrow
L Line
T Text Box
K VS Code Block
S Sticky Note
N Nodes / Flow
Ctrl + Z Undo
Ctrl + Y Redo
Delete Delete Selected
Esc Back to Dashboard
What's New
TeachCode Updates & Release Notes
Studio Settings
Canvas Defaults & Workspace Preferences
Dark Studio
Dark Studio
Active
Deep Slate & Blue with Glowing Accents
Whiteboard Pro
Active
Clean White Board & Crisp Dark Icons
Ganesh Chaturthi
Active
Divine Saffron & Royal Temple Gold
Ganesh Chaturthi Auto-Festival Window
Scheduled: Tomorrow 1:00 AM – 12:00 PM (Reverts to Default after 12:00 PM)
Active Window Ready
Auspicious concept icons on whiteboard toolbar: Ekadanta Quill, Ankusha Guide, Abhaya Mudra, Diya Flame, Shuddhi Cleanser, Sacred Mandala, Omkara, Buddhi Crown, Durva Patra.
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Customize Toolbar Tools
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Select which tools you want active on your whiteboard. Use the arrows to reorder.
Java Code & Algorithm Visualizer
Step-by-step line-by-line execution, memory inspector & iterator state tracer
Java 21
Step 1 of 1
Source Code & Execution Pointer
Active line is highlighted
Call Stack (Active Method Frame)
main()
Ready to trace execution step by step.
Loop & Iterator State
Variables in Memory (Stack / Heap)
Variables will appear here as they are declared.
OOP Object Instances (Heap Memory)
0 objects
Console Output (Standard Out)
No output yet...