Print the java version being used on startup

dreis2211 · wilkinsona · commit 731c19281788 · 2020-06-05T14:12:08.000+01:00
See gh-21559
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/StartupInfoLogger.java
@@ -67,6 +67,7 @@ private CharSequence getStartingMessage() {
 		message.append("Starting ");
 		appendApplicationName(message);
 		appendVersion(message, this.sourceClass);
+		appendJavaVersion(message);
 		appendOn(message);
 		appendPid(message);
 		appendContext(message);
@@ -147,6 +148,10 @@ private void appendContext(StringBuilder message) {
 		}
 	}
 
+	private void appendJavaVersion(StringBuilder message) {
+		append(message, "using Java ", () -> System.getProperty("java.version"));
+	}
+
 	private void append(StringBuilder message, String prefix, Callable<Object> call) {
 		append(message, prefix, call, "");
 	}

Original file line number	Diff line number	Diff line change
`@@ -67,6 +67,7 @@ private CharSequence getStartingMessage() {`
`67`	`67`	`message.append("Starting ");`
`68`	`68`	`appendApplicationName(message);`
`69`	`69`	`appendVersion(message, this.sourceClass);`
	`70`	`+ appendJavaVersion(message);`
`70`	`71`	`appendOn(message);`
`71`	`72`	`appendPid(message);`
`72`	`73`	`appendContext(message);`
`@@ -147,6 +148,10 @@ private void appendContext(StringBuilder message) {`
`147`	`148`	`}`
`148`	`149`	`}`
`149`	`150`
	`151`	`+ private void appendJavaVersion(StringBuilder message) {`
	`152`	`+ append(message, "using Java ", () -> System.getProperty("java.version"));`
	`153`	`+ }`
	`154`	`+`
`150`	`155`	`private void append(StringBuilder message, String prefix, Callable<Object> call) {`
`151`	`156`	`append(message, prefix, call, "");`
`152`	`157`	`}`