add triggers and bindings samples

samples/triggers-bindings-example/.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

samples/triggers-bindings-example/.gitignore

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+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+# Build output
+target/
+
+*.factorypath
+
+# IDE
+.idea/
+*.iml
+.classpath
+.project
+.settings/
+.checkstyle
+.vscode/
+
+# macOS
+.DS_Store
+
+# gradle-wrapper
+!gradle/wrapper/gradle-wrapper.jar
+!gradle/wrapper/gradle-wrapper.properties
+
+# integration test
+*/src/it/*/bin
+
+jacoco.exec
+bin/
+
+# mvnw
+!.mvn/wrapper/maven-wrapper.jar
+
+build/
+
+.gradle/
+
+# Azure Functions
+local.settings.json
+obj/

samples/triggers-bindings-example/.mvn/wrapper/maven-wrapper.properties

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+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip

samples/triggers-bindings-example/CODE_OF_CONDUCT.md

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+# Microsoft Open Source Code of Conduct
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+
+Resources:
+
+- [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/)
+- [Microsoft Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/)
+- Contact [[email protected]](mailto:[email protected]) with questions or concerns

samples/triggers-bindings-example/LICENSE.txt

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+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE

samples/triggers-bindings-example/README.md

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+---
+page_type: sample
+languages:
+- java
+products:
+- azure-functions
+- azure
+description: "This repository contains sample for Azure Functions in Java"
+urlFragment: "azure-functions-java"
+---
+
+# Azure Functions samples in Java
+
+This repository contains samples which show the basic usage of [Azure Functions](https://docs.microsoft.com/en-us/azure/azure-functions/) in Java for the below scenarios.
+
+| Scenario       | Description                                |
+|-------------------|--------------------------------------------|
+| [HttpTrigger](./src/main/java/com/functions/Function.java) | Basic HttpTrigger and FixedDelayRetry with HttpTrigger.  |
+| [BlobTrigger](./src/main/java/com/functions/BlobTriggerFunction.java) | BlobTrigger, read blob using BlobInput binding and output to blob using BlobOutput binding.  |
+| [CosmosDBTrigger](./src/main/java/com/functions/CosmosDBTriggerFunction.java)  | CosmosDBTrigger, read cosmos DB entries with CosmosDBInput binding and output to cosmos DB CosmosDBOutput binding.  |
+| [TimerTrigger](./src/main/java/com/functions/TimerTriggerFunction.java) | Basic periodic TimerTrigger.  |
+| [EventGridTrigger](./src/main/java/com/functions/EventGridTriggerFunction.java) | EventGridTrigger and send event to Event Grid using EventGridOutput binding.  |
+| [EventHubTrigger](./src/main/java/com/functions/EventHubTriggerFunction.java) | EventHubTrigger for message received in event grid and output to event grid using EventHubOutput binding.  |
+| [KafkaTrigger](./src/main/java/com/functions/KafkaTriggerFunction.java) | KafkaTrigger with KafkaOutput and QueueOutput example.  |
+| [QueueTrigger](./src/main/java/com/functions/QueueTriggerFunction.java) | QueueTrigger to read content from queue and output to queue using QueueOutput binding.  |
+| [ServiceBusQueueTrigger](./src/main/java/com/functions/ServiceBusQueueTriggerFunction.java) | ServiceBusQueueTrigger to read message from a queue in service bus and output to service bus queue using ServiceBusQueueOutput binding.  |
+| [ServiceBusTopicTrigger](./src/main/java/com/functions/ServiceBusTopicTriggerFunction.java) | ServiceBusTopicTrigger to read message from a topic in service bus and output to service bus topic using ServiceBusTopicOutput binding.  |
+| [Table function](./src/main/java/com/functions/TableFunction.java) | Basic example to read and write to table in Azure Storage using TableInput and TableOutput binding.  |
+| [Durable Function](./src/main/java/com/functions/DurableFunction.java) | Durable function example to start an orchestration and follow activity chaining.  |
+
+
+## Contents
+
+Outline the file contents of the repository. It helps users navigate the codebase, build configuration and any related assets.
+
+| File/folder       | Description                                |
+|-------------------|--------------------------------------------|
+| `src`             | Sample source code.                        |
+| `.gitignore`      | Define what to ignore at commit time.      |
+| `build.gradle`    | The gradle configuration to this sample.   |
+| `pom.xml`         | The maven configuration to this sample.   |
+| `CHANGELOG.md`    | List of changes to the sample.             |
+| `CONTRIBUTING.md` | Guidelines for contributing to the sample. |
+| `README.md`       | This README file.                          |
+| `LICENSE.txt`         | The license for the sample.                |
+
+## Prerequisites
+
+- Gradle 4.10+
+- Latest [Function Core Tools](https://aka.ms/azfunc-install)
+- Azure CLI. This plugin use Azure CLI for authentication, please make sure you have Azure CLI installed and logged in.
+
+## Setup
+
+- ```cmd
+    az login
+    az account set -s <your subscription id>
+    ```
+- Update the Application settings in Azure portal with the required parameters as below
+  - AzureWebJobsStorage: Connection string to your storage account
+  - CosmosDBDatabaseName: Cosmos database name. Example: ItemCollectionIn
+  - CosmosDBCollectionName:Cosmos database collection name. Example: ItemDb
+  - AzureWebJobsCosmosDBConnectionString: Connection string to your Cosmos database
+  - AzureWebJobsEventGridOutputBindingTopicUriString: Event Grid URI
+  - AzureWebJobsEventGridOutputBindingTopicKeyString: Event Grid string
+  - AzureWebJobsEventHubSender, AzureWebJobsEventHubSender_2 : Event hub connection string
+  - AzureWebJobsServiceBus: Service bus connection string
+  - SBQueueName: Service bus queue name. Example: test-input-java
+  - SBTopicName: Service bus topic name. Example: javaworkercitopic2
+  - SBTopicSubName: Service bus topic name. Example: javaworkercisub
+  - Documentation on how to [manage connection strings](https://docs.microsoft.com/en-gb/azure/storage/common/storage-account-keys-manage?tabs=azure-portal) and [access keys](https://docs.microsoft.com/en-gb/azure/storage/common/storage-configure-connection-string#create-a-connection-string-for-an-azure-storage-account)
+- Update `host.json` with the right extension bundle version. `V3 - [1.*, 2.0.0) and V4 - [2.*, 3.0.0)`
+
+
+## Running the sample
+
+```cmd
+./mvnw clean package azure-functions:run
+```
+
+```cmd
+./gradlew clean azureFunctionsRun
+```
+
+## Deploy the sample on Azure
+
+
+```cmd
+./mvnw clean package azure-functions:deploy
+```
+
+```cmd
+./gradlew clean azureFunctionsDeploy
+```
+
+> NOTE: please replace '/' with '\\' when you are running on windows.
+
+
+## Contributing
+
+This project welcomes contributions and suggestions.  Most contributions require you to agree to a
+Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
+the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.
+
+When you submit a pull request, a CLA bot will automatically determine whether you need to provide
+a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions
+provided by the bot. You will only need to do this once across all repos using our CLA.
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
+contact [[email protected]](mailto:[email protected]) with any additional questions or comments.
+
+## Telemetry
+This project collects usage data and sends it to Microsoft to help improve our products and services.
+Read Microsoft's [privacy statement](https://privacy.microsoft.com/en-us/privacystatement) to learn more.
+If you would like to opt out of sending telemetry data to Microsoft, you can set `allowTelemetry` to false in the plugin configuration.
+Please read our [document](https://github.com/microsoft/azure-gradle-plugins/wiki/Configuration) to find more details about *allowTelemetry*.

samples/triggers-bindings-example/SECURITY.md

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+<!-- BEGIN MICROSOFT SECURITY.MD V0.0.3 BLOCK -->
+
+## Security
+
+Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/).
+
+If you believe you have found a security vulnerability in any Microsoft-owned repository that meets Microsoft's [Microsoft's definition of a security vulnerability](https://docs.microsoft.com/en-us/previous-versions/tn-archive/cc751383(v=technet.10)) of a security vulnerability, please report it to us as described below.
+
+## Reporting Security Issues
+
+**Please do not report security vulnerabilities through public GitHub issues.**
+
+Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://msrc.microsoft.com/create-report).
+
+If you prefer to submit without logging in, send email to [[email protected]](mailto:[email protected]).  If possible, encrypt your message with our PGP key; please download it from the the [Microsoft Security Response Center PGP Key page](https://www.microsoft.com/en-us/msrc/pgp-key-msrc).
+
+You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://www.microsoft.com/msrc).
+
+Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue:
+
+  * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.)
+  * Full paths of source file(s) related to the manifestation of the issue
+  * The location of the affected source code (tag/branch/commit or direct URL)
+  * Any special configuration required to reproduce the issue
+  * Step-by-step instructions to reproduce the issue
+  * Proof-of-concept or exploit code (if possible)
+  * Impact of the issue, including how an attacker might exploit the issue
+
+This information will help us triage your report more quickly.
+
+If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://microsoft.com/msrc/bounty) page for more details about our active programs.
+
+## Preferred Languages
+
+We prefer all communications to be in English.
+
+## Policy
+
+Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://www.microsoft.com/en-us/msrc/cvd).
+
+<!-- END MICROSOFT SECURITY.MD BLOCK -->

samples/triggers-bindings-example/build.gradle

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+plugins {
+  id "com.microsoft.azure.azurefunctions" version "1.9.0"
+}
+apply plugin: 'java'
+apply plugin: "com.microsoft.azure.azurefunctions"
+
+group 'com.functions'
+version '1.0-SNAPSHOT'
+
+dependencies {
+    implementation 'com.microsoft.azure.functions:azure-functions-java-library:2.0.1'
+    implementation 'com.microsoft:durabletask-azure-functions:1.0.0-beta.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.6.2'
+    testImplementation 'org.mockito:mockito-core:3.3.3'
+}
+
+sourceCompatibility = '1.8'
+targetCompatibility = '1.8'
+
+compileJava.options.encoding = 'UTF-8'
+
+repositories {
+    mavenCentral()
+}
+
+azurefunctions {
+    resourceGroup = 'java-functions-group'
+    appName = 'azure-functions-sample'
+    pricingTier = 'Consumption'
+    region = 'westus'
+    runtime {
+      os = 'Windows'
+      javaVersion = 'Java 8'
+    }
+    auth {
+      type = 'azure_cli'
+    }
+    localDebug = "transport=dt_socket,server=y,suspend=n,address=5005"
+}

samples/triggers-bindings-example/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists