first commit

.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/MavenWrapperDownloader.java

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+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.properties

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+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.2/apache-maven-3.8.2-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

README.md

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+# Spring Boot JdbcTemplate example: Build CRUD App
+Build a Spring Boot CRUD Rest API example that uses Spring Data Jdbc to make CRUD Operations with H2 embedded Database. You'll know:
+- How to configure Spring Data to work with H2 database
+- How to define Data Models and Repository interfaces
+- Way to create Spring Rest Controller to process HTTP requests
+- Way to use Spring Data Jdbc to interact with Database
+
+For instruction, please visit:
+> [Spring Boot JdbcTemplate CRUD example](https://www.bezkoder.com/spring-boot-jdbctemplate-crud-example/)
+
+> [Spring Boot & Spring JPA: CRUD example](https://www.bezkoder.com/spring-boot-jpa-h2-example/)
+
+Front-end that works well with this Back-end
+> [Axios Client](https://www.bezkoder.com/axios-request/)
+
+> [Angular 8 Client](https://www.bezkoder.com/angular-crud-app/) / [Angular 10 Client](https://www.bezkoder.com/angular-10-crud-app/) / [Angular 11 Client](https://www.bezkoder.com/angular-11-crud-app/) / [Angular 12 Client](https://www.bezkoder.com/angular-12-crud-app/)
+
+> [Vue 2 Client](https://www.bezkoder.com/vue-js-crud-app/) / [Vue 3 Client](https://www.bezkoder.com/vue-3-crud/) / [Vuetify Client](https://www.bezkoder.com/vuetify-data-table-example/)
+
+> [React Client](https://www.bezkoder.com/react-crud-web-api/) / [React Redux Client](https://www.bezkoder.com/react-redux-crud-example/)
+
+More Practice:
+> [Spring Boot, Hibernate, MySQL example](https://www.bezkoder.com/spring-boot-jpa-crud-rest-api/)
+
+> [Spring Boot, Hibernate, PostgreSQL example](https://www.bezkoder.com/spring-boot-postgresql-example/)
+
+> [Spring Boot with MongoDB CRUD example](https://www.bezkoder.com/spring-boot-mongodb-crud/)
+
+> [Spring Boot, Hibernate, Oracle example](https://www.bezkoder.com/spring-boot-hibernate-oracle/)
+
+> [Spring Boot, Hibernate, SQL Server example](https://www.bezkoder.com/spring-boot-sql-server/)
+
+> [Spring Boot File upload example with Multipart File](https://www.bezkoder.com/spring-boot-file-upload/)
+
+> [Spring Boot Pagination & Filter example | Spring JPA, Pageable](https://www.bezkoder.com/spring-boot-pagination-filter-jpa-pageable/)
+
+> [Spring Data JPA Sort/Order by multiple Columns | Spring Boot](https://www.bezkoder.com/spring-data-sort-multiple-columns/)
+
+> [Spring Boot Repository Unit Test with @DataJpaTest](https://www.bezkoder.com/spring-boot-unit-test-jpa-repo-datajpatest/)
+
+> [Deploy Spring Boot App on AWS – Elastic Beanstalk](https://www.bezkoder.com/deploy-spring-boot-aws-eb/)
+
+Security:
+> [Spring Boot + Spring Security JWT Authentication & Authorization](https://www.bezkoder.com/spring-boot-jwt-authentication/)
+
+Run both Back-end & Front-end in one place:
+> [Integrate Angular with Spring Boot Rest API](https://www.bezkoder.com/integrate-angular-spring-boot/)
+
+> [Integrate React.js with Spring Boot Rest API](https://www.bezkoder.com/integrate-reactjs-spring-boot/)
+
+> [Integrate Vue.js with Spring Boot Rest API](https://www.bezkoder.com/integrate-vue-spring-boot/)
+
+## Run Spring Boot application
+```
+mvn spring-boot:run
+```
+