colson-nvim/nvim/JAVA_FILES_SUMMARY.md

Colson Nvim: Neovim Code Editor/IDE for Software Engineers!

# 📁 Java Development Files Summary

## Configuration Files

### Main Configuration
| File | Location | Description |
|------|----------|-------------|
| **java.lua** | `~/.config/nvim/after/plugin/java.lua` | Main Java configuration (600+ lines) |
| **packer.lua** | `~/.config/nvim/lua/colson/packer.lua` | Plugin definitions with Java plugins |

**Keybindings Location**: Lines 481-655 in `java.lua`

---

## Documentation Files

### Quick Reference (Start Here!)
| File | Location | Best For |
|------|----------|----------|
| **JAVA_CHEATSHEET.txt** | `~/.config/nvim/JAVA_CHEATSHEET.txt` | **Print this!** One-page reference |
| **JAVA_QUICKREF.md** | `~/.config/nvim/JAVA_QUICKREF.md` | Quick command lookup |

### Complete Documentation
| File | Location | Best For |
|------|----------|----------|
| **JAVA_KEYBINDINGS.md** | `~/.config/nvim/JAVA_KEYBINDINGS.md` | Complete keybindings with examples |
| **JAVA_SETUP.md** | `~/.config/nvim/JAVA_SETUP.md` | Full installation & configuration guide |
| **JAVA_INSTALLATION_COMPLETE.md** | `~/.config/nvim/JAVA_INSTALLATION_COMPLETE.md` | Setup summary & next steps |

### This File
| File | Location | Best For |
|------|----------|----------|
| **JAVA_FILES_SUMMARY.md** | `~/.config/nvim/JAVA_FILES_SUMMARY.md` | Finding all documentation |

---

## Test Project

| Location | Contents |
|----------|----------|
| `/tmp/java-test-project/` | Complete Maven project with tests |
| `/tmp/java-test-project/pom.xml` | Maven configuration |
| `/tmp/java-test-project/src/main/java/com/example/demo/Application.java` | Main application |
| `/tmp/java-test-project/src/test/java/com/example/demo/ApplicationTest.java` | JUnit 5 tests |

**Open it with:**
```bash
cd /tmp/java-test-project
nvim .
```

---

## Quick Access Commands

### View Documentation
```bash
# Cheat sheet (print this!)
cat ~/.config/nvim/JAVA_CHEATSHEET.txt

# Quick reference
cat ~/.config/nvim/JAVA_QUICKREF.md

# Complete keybindings
cat ~/.config/nvim/JAVA_KEYBINDINGS.md

# Full setup guide
cat ~/.config/nvim/JAVA_SETUP.md

# Installation summary
cat ~/.config/nvim/JAVA_INSTALLATION_COMPLETE.md
```

### Edit Configuration
```bash
# Edit Java config
nvim ~/.config/nvim/after/plugin/java.lua

# Edit plugin list
nvim ~/.config/nvim/lua/colson/packer.lua
```

---

## Keybindings Summary

All keybindings are defined in `/home/colson/.config/nvim/after/plugin/java.lua` (lines 481-655)

### Prefix System
- `<Space>j` → Java operations (build, run, test, etc.)
- `<Space>jt` → Java Testing
- `<Space>jd` → Java Debugging
- `<Space>jr` → Java Refactoring (visual mode)
- `<Space>d` → General Debugging (DAP)
- `<Space>v` → LSP/View operations
- `<F5-F12>` → Debug execution control

### Top 10 Keybindings
1. `<Space>jr` - Run main class
2. `<Space>jb` - Build project
3. `<Space>jt` - Run all tests
4. `<Space>jm` - Run single test
5. `gd` - Go to definition
6. `K` - Show documentation
7. `<Space>vca` - Code actions
8. `<Space>db` - Toggle breakpoint
9. `<F5>` - Start/Continue debug
10. `<Space>jn` - New Spring Boot project

---

## Installation Verification

### Check Configuration
```bash
# Run verification script
/tmp/test-java-setup.sh

# Manual checks
nvim --version
java --version
mvn --version
gradle --version
```

### Check LSP Status
```vim
:LspInfo
:Mason
:checkhealth java
:JavaProjectInfo
```

---

## Directory Structure

```
~/.config/nvim/
├── after/
│   └── plugin/
│       └── java.lua                          ← Main Java config
├── lua/
│   └── colson/
│       ├── packer.lua                        ← Plugin definitions
│       ├── remap.lua                         ← General keybindings
│       └── set.lua                           ← Vim settings
├── JAVA_SETUP.md                             ← Complete guide (1000+ lines)
├── JAVA_KEYBINDINGS.md                       ← All keybindings with examples
├── JAVA_QUICKREF.md                          ← Quick reference card
├── JAVA_CHEATSHEET.txt                       ← One-page cheat sheet (PRINT THIS!)
├── JAVA_INSTALLATION_COMPLETE.md             ← Installation summary
└── JAVA_FILES_SUMMARY.md                     ← This file

~/.cache/nvim/
└── jdtls/                                    ← JDTLS cache (auto-created)

/tmp/
├── java-test-project/                        ← Test project
└── test-java-setup.sh                        ← Verification script
```

---

## Reading Order

### For Quick Start (5 minutes)
1. **JAVA_CHEATSHEET.txt** - Print and keep handy
2. **JAVA_QUICKREF.md** - Essential commands
3. Open test project and try keybindings

### For Complete Understanding (30 minutes)
1. **JAVA_INSTALLATION_COMPLETE.md** - Setup overview
2. **JAVA_KEYBINDINGS.md** - All keybindings with examples
3. **JAVA_SETUP.md** - Complete configuration guide
4. **java.lua** - Review actual configuration

---

## File Sizes

| File | Lines | Purpose |
|------|-------|---------|
| java.lua | ~700 | Main configuration |
| JAVA_SETUP.md | ~1,000 | Complete documentation |
| JAVA_KEYBINDINGS.md | ~600 | Keybindings guide |
| JAVA_QUICKREF.md | ~150 | Quick reference |
| JAVA_CHEATSHEET.txt | ~120 | One-page cheat sheet |
| JAVA_INSTALLATION_COMPLETE.md | ~300 | Installation summary |

**Total Documentation**: ~2,200 lines!

---

## Printing Recommendations

### Must Print
1. **JAVA_CHEATSHEET.txt** - Keep next to keyboard (1 page)

### Good to Print
2. **JAVA_QUICKREF.md** - Keep in view (2-3 pages)
3. **JAVA_KEYBINDINGS.md** - Reference book (10-15 pages)

### Keep Digital
- JAVA_SETUP.md (full guide)
- JAVA_INSTALLATION_COMPLETE.md (summary)
- JAVA_FILES_SUMMARY.md (this file)

---

## Common Locations to Remember

| What | Where |
|------|-------|
| Java config | `~/.config/nvim/after/plugin/java.lua` |
| Keybindings | Lines 481-655 in java.lua |
| Cheat sheet | `~/.config/nvim/JAVA_CHEATSHEET.txt` |
| Test project | `/tmp/java-test-project/` |
| JDTLS cache | `~/.cache/nvim/jdtls/` |
| All docs | `~/.config/nvim/JAVA_*.md` |

---

## Quick Tips

### View All Java Docs
```bash
ls -lh ~/.config/nvim/JAVA_*
```

### Search All Docs
```bash
grep -r "specific_keybinding" ~/.config/nvim/JAVA_*
```

### Edit Java Config
```bash
nvim ~/.config/nvim/after/plugin/java.lua
```

### View Cheat Sheet Anytime
```bash
cat ~/.config/nvim/JAVA_CHEATSHEET.txt
```

### From Within Neovim
```vim
:e ~/.config/nvim/JAVA_CHEATSHEET.txt
:e ~/.config/nvim/JAVA_KEYBINDINGS.md
:e ~/.config/nvim/after/plugin/java.lua
```

---

## Support & Help

### Check Health
```vim
:checkhealth
:checkhealth java
:LspInfo
:Mason
```

### View Logs
```vim
:messages
:echo stdpath('cache') . '/lsp.log'
```

### Restart Services
```vim
:JavaRestart
:LspRestart
:PackerSync
```

---

## Update History

| Date | Version | Changes |
|------|---------|---------|
| 2025-11-11 | 1.0.0 | Initial setup with complete Java development environment |

---

**Pro Tip**: Bookmark this file location in your terminal for quick access:
```bash
# Add to ~/.bashrc or ~/.zshrc
alias jdocs="cat ~/.config/nvim/JAVA_CHEATSHEET.txt"
alias jedit="nvim ~/.config/nvim/after/plugin/java.lua"
alias jtest="cd /tmp/java-test-project && nvim ."
```

Then just type `jdocs` to see the cheat sheet anytime!