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Welcome to the JDK!

For build instructions please see the online documentation, or either of these files:

See https://openjdk.org/ for more information about the OpenJDK Community and the JDK and see https://bugs.openjdk.org for JDK issue tracking.

Particulars related to Babylon

The Babylon JDK builds like any other JDK, see the build instructions above.

The Babylon API and implementation resides in the incubating model jdk.incubator.code. Compilation and execution of dependent code requires that this module be made visible by explicitly adding to the list of modules e.g., such as with the command line option --add-modules jdk.incubator.code.

Testing

Specific compiler tests can be executed using jtreg, for example:

jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:

jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group jdk_incubator_code as follows:

make test TEST=jdk_incubator_code

About

https://openjdk.org/projects/babylon

Resources

Readme
GPL-2.0 license

Contributing

Contributing

Security policy

Security policy
Activity
Custom properties

Stars

156 stars

Watchers

12 watching

Forks

42 forks
Report repository

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
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Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Welcome to the JDK!
For build instructions please see the
online documentation,
or either of these files:
See https://openjdk.org/ for more information about the OpenJDK
Community and the JDK and see https://bugs.openjdk.org for JDK issue
tracking.
Particulars related to Babylon
The Babylon JDK builds like any other JDK, see the build instructions above.
The Babylon API and implementation resides in the incubating model
jdk.incubator.code. Compilation and execution of dependent code requires
that this module be made visible by explicitly adding to the list of modules
e.g., such as with the command line option --add-modules jdk.incubator.code.
Testing
Specific compiler tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/langtools/tools/javac/reflect/

Specific runtime tests can be executed using jtreg, for example:
jtreg -jdk:./build/macosx-x86_64-server-release/jdk/ -ea -esa -avm -va test/jdk/jdk/incubator/code/

In addition, the runtime tests can be executed using make with the test group
jdk_incubator_code as follows:
make test TEST=jdk_incubator_code

About
https://openjdk.org/projects/babylon
Resources
Readme
GPL-2.0 license
Contributing
Contributing
Security policy
Security policy
Activity
Custom properties
Stars
156 stars
Watchers
12 watching
Forks
42 forks
Report repository
Releases
Packages
Used by
Contributors
Languages