Remove problematic words from documentation

Closes gh-11224

spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-configuration-metadata.adoc

@@ -236,13 +236,13 @@ should no longer be used. If no reason and replacement are available, an empty
 
 Deprecation can also be specified declaratively in code by adding the
 `@DeprecatedConfigurationProperty` annotation to the getter exposing the deprecated
-property. For instance, assume that the `app.foo.target` property was confusing and
-was renamed to `app.foo.name`. The following example shows how to handle that situation:
+property. For instance, assume that the `app.acme.target` property was confusing and
+was renamed to `app.acme.name`. The following example shows how to handle that situation:
 
 [source,java,indent=0]
 ----
-	@ConfigurationProperties("app.foo")
-	public class FooProperties {
+	@ConfigurationProperties("app.acme")
+	public class AcmeProperties {
 
 		private String name;
 
@@ -250,7 +250,7 @@ was renamed to `app.foo.name`. The following example shows how to handle that si
 
 		public void setName(String name) { ... }
 
-		@DeprecatedConfigurationProperty(replacement = "app.foo.name")
+		@DeprecatedConfigurationProperty(replacement = "app.acme.name")
 		@Deprecated
 		public String getTarget() {
 			return getName();

spring-boot-project/spring-boot-docs/src/main/asciidoc/build-tool-plugins.adoc

@@ -256,7 +256,7 @@ of the application.
 [source,xml,indent=0]
 ----
 	<spring-boot:exejar destfile="target/my-application.jar"
-			classes="target/classes" start-class="com.foo.MyApplication">
+			classes="target/classes" start-class="com.example.MyApplication">
 		<resources>
 			<fileset dir="src/main/resources" />
 		</resources>
@@ -318,7 +318,7 @@ attributes are supported:
 .Override and set
 [source,xml,indent=0]
 ----
-	<findmainclass mainclass="com.foo.MainClass" property="main-class" />
+	<findmainclass mainclass="com.example.MainClass" property="main-class" />
 ----
 
 

spring-boot-project/spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -1666,7 +1666,7 @@ on the primary data source:
 include::{code-examples}/jdbc/SimpleTwoDataSourcesExample.java[tag=configuration]
 ----
 
-TIP: `fooDataSourceProperties` has to be flagged as `@Primary` so that the database
+TIP: `firstDataSourceProperties` has to be flagged as `@Primary` so that the database
 initializer feature uses your copy (if you use the initializer).
 
 Both data sources are also bound for advanced customizations. For instance, you could
@@ -1674,13 +1674,13 @@ configure them as follows:
 
 [source,properties,indent=0]
 ----
-	app.datasource.foo.type=com.zaxxer.hikari.HikariDataSource
-	app.datasource.foo.maximum-pool-size=30
+	app.datasource.first.type=com.zaxxer.hikari.HikariDataSource
+	app.datasource.first.maximum-pool-size=30
 
-	app.datasource.bar.url=jdbc:mysql://localhost/test
-	app.datasource.bar.username=dbuser
-	app.datasource.bar.password=dbpass
-	app.datasource.bar.max-total=30
+	app.datasource.second.url=jdbc:mysql://localhost/test
+	app.datasource.second.username=dbuser
+	app.datasource.second.password=dbpass
+	app.datasource.second.max-total=30
 ----
 
 You can apply the same concept to the secondary `DataSource` as well, as shown in the
@@ -2453,7 +2453,7 @@ Additional properties can be added by using the DSL, as shown in the following e
 	springBoot  {
 		buildInfo {
 			additionalProperties = [
-				'foo': 'bar'
+				'acme': 'test'
 			]
 		}
 	}

spring-boot-project/spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc

@@ -65,8 +65,8 @@ filtering].
 https://github.com/ktoso/maven-git-commit-id-plugin[Git commit ID], and
 http://maven.apache.org/plugins/maven-shade-plugin/[shade]).
 * Sensible resource filtering for `application.properties` and `application.yml`
-including profile-specific files (for example, `application-foo.properties` and
-`application-foo.yml`)
+including profile-specific files (for example, `application-dev.properties` and
+`application-dev.yml`)
 
 Note that, since the `application.properties` and `application.yml` files accept Spring
 style placeholders (`${...}`), the Maven filtering is changed to use `@..@` placeholders.

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/jdbc/CompleteTwoDataSourcesExample.java

@@ -41,28 +41,28 @@ public class CompleteTwoDataSourcesExample {
 		// tag::configuration[]
 		@Bean
 		@Primary
-		@ConfigurationProperties("app.datasource.foo")
-		public DataSourceProperties fooDataSourceProperties() {
+		@ConfigurationProperties("app.datasource.first")
+		public DataSourceProperties firstDataSourceProperties() {
 			return new DataSourceProperties();
 		}
 
 		@Bean
 		@Primary
-		@ConfigurationProperties("app.datasource.foo")
-		public DataSource fooDataSource() {
-			return fooDataSourceProperties().initializeDataSourceBuilder().build();
+		@ConfigurationProperties("app.datasource.first")
+		public DataSource firstDataSource() {
+			return firstDataSourceProperties().initializeDataSourceBuilder().build();
 		}
 
 		@Bean
-		@ConfigurationProperties("app.datasource.bar")
-		public DataSourceProperties barDataSourceProperties() {
+		@ConfigurationProperties("app.datasource.second")
+		public DataSourceProperties secondDataSourceProperties() {
 			return new DataSourceProperties();
 		}
 
 		@Bean
-		@ConfigurationProperties("app.datasource.bar")
-		public DataSource barDataSource() {
-			return barDataSourceProperties().initializeDataSourceBuilder().build();
+		@ConfigurationProperties("app.datasource.second")
+		public DataSource secondDataSource() {
+			return secondDataSourceProperties().initializeDataSourceBuilder().build();
 		}
 		// end::configuration[]
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/jdbc/SimpleTwoDataSourcesExample.java

@@ -43,21 +43,21 @@ public class SimpleTwoDataSourcesExample {
 		// tag::configuration[]
 		@Bean
 		@Primary
-		@ConfigurationProperties("app.datasource.foo")
-		public DataSourceProperties fooDataSourceProperties() {
+		@ConfigurationProperties("app.datasource.first")
+		public DataSourceProperties firstDataSourceProperties() {
 			return new DataSourceProperties();
 		}
 
 		@Bean
 		@Primary
-		@ConfigurationProperties("app.datasource.foo")
-		public DataSource fooDataSource() {
-			return fooDataSourceProperties().initializeDataSourceBuilder().build();
+		@ConfigurationProperties("app.datasource.first")
+		public DataSource firstDataSource() {
+			return firstDataSourceProperties().initializeDataSourceBuilder().build();
 		}
 
 		@Bean
-		@ConfigurationProperties("app.datasource.bar")
-		public BasicDataSource barDataSource() {
+		@ConfigurationProperties("app.datasource.second")
+		public BasicDataSource secondDataSource() {
 			return DataSourceBuilder.create().type(BasicDataSource.class).build();
 		}
 		// end::configuration[]