###### tags: `Java` `CheatSheet` `Starter`

# Java Starter notes

## MAC if Spring boot will not open after it has in past
- Run the following in the terminal (location of terminal does not mater)
- `codesign --force --deep --sign - /Applications/SpringToolSuite4.app`

1. Chose the location to open spring boot in.. if via the launch screen you may not have other projects to see inside spring boot
2. Right or click file > new > new Spring Starter Project


Install Emmet
Help > Install New Software > Add > location = http://download.emmet.io/eclipse/updates/
## Mac
- Import missing dependencies
- CMD + Shift + o
- Run Spring Boot Application
- Click on Project Main Folder
- Option + Shift + x (menu pops up in bottom right of window)
- B (selects spring boot from menu)

## Windows
- Import missing dependencies
- CTRL + Shift + o
- Run Spring Boot Application
- Click on Project Main Folder
- Alt + Shift + x (menu pops up in bottom right of window)
- B (selects spring boot from menu)

Generate Getters and Setters
Right click class flile > Chose Source >. Genertate Getters and Setters click all applicable fields and then fininto

# Quick Block Comments
Attributes Label

    // ==========================
    //        ATTRIBUTES
    // ==========================

Constructor Label

    // ==========================
    //        CONSTRUCTOR
    // ==========================

Getter and Setter Label

    // ==========================
    //     GETTERS / SETTERS
    // ==========================

Method Label

    // ==========================
    //         METHODS
    // ==========================

Interface Label

    // ==========================
    //        INTERFACE
    // ==========================

Relationship Label

    // ==========================
    //        RELATIONSHIPS
    // ==========================

# Formating print statements
https://alvinalexander.com/programming/printf-format-cheat-sheet/

## pom file dependencies
1. Add the following code to pom.xml (NOTE: be careful not toput a dependency into another dependency)
2. parent should be 2.7.10, .9, or .8

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.7.8</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
 Below will over write/ replace everything between the <dependencies></dependencies> tags

<!-- DEPENDENCIES FOR STARTING SPRING PROJECTS-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        
        
<!-- DEPENDENCIES FOR DISPLAYING JSPS AND USING JSTL TAGS -->
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <dependency>
		    <groupId>com.mysql</groupId>
		    <artifactId>mysql-connector-j</artifactId>
		    <scope>runtime</scope>
		</dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        
        
<!-- DEPENDENCY FOR USING VALIDATION ANNOTATIONS -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</artifactId>
        </dependency>
        
        
<!-- DEPENDENCY FOR USING BCRYPT  -->
        <dependency>
            <groupId>org.mindrot</groupId>
            <artifactId>jbcrypt</artifactId>
            <version>0.4</version>
        </dependency>
        
    
<!-- DEPENDENCIES FOR BOOTSTRAP -->
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>webjars-locator</artifactId>
            <version>0.30</version>
        </dependency>
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>bootstrap</artifactId>
            <version>5.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>jquery</artifactId>
            <version>3.6.0</version>
        </dependency>
 

2. New folder created in [src > main > webapp] named WEB-INF

3. src/main/resources select application.properties add

spring.mvc.view.prefix=/WEB-INF/
spring.datasource.url=jdbc:mysql://localhost:3306/<<YOUR_SCHEMA>>
spring.datasource.username=<<dbuser>>
spring.datasource.password=<<dbpassword>>
spring.jpa.hibernate.ddl-auto=update
spring.mvc.hiddenmethod.filter.enabled=true

4. In all JSP files start them with the following code

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!-- for forms -->
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix = "fmt" uri = "http://java.sun.com/jsp/jstl/fmt" %>
<!-- for validation -->
<%@ page isErrorPage="true" %>
<!DOCTYPE html>
<html>
<head>
<!-- for Bootstrap CSS -->
<link rel="stylesheet" href="/webjars/bootstrap/css/bootstrap.min.css" />
<!-- YOUR own local CSS -->
<link rel="stylesheet" type="text/css" href="/css/style.css">
<!-- For any Bootstrap that uses JS -->
<script src="/webjars/bootstrap/js/bootstrap.min.js"></script>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<header>
		<h1>Hello</h1>
	</header>
    <main>
    
    </main>
    <footer>
    
    </footer>
</body>
</html>

# Adding Controllers
1. right click the main src/main/java folder and add new package
2. add controllers to the end of what is prepopulated

All controller files will now go into this folder

## Renaming files/packages(folders)
right click item to rename
refactor > rename