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What is the difference in properties java.runtime.version and java.version
The Next CEO of Stack OverflowWhat is reflection and why is it useful?Differences between HashMap and Hashtable?What is the difference between public, protected, package-private and private in Java?What is a serialVersionUID and why should I use it?Difference between StringBuilder and StringBufferDifference between wait() and sleep()What is the difference between JDK and JRE?What is a JavaBean exactly?What's the difference between @Component, @Repository & @Service annotations in Spring?What exactly is Apache Camel?
For logging purposes I'm getting the Java version written in log while Java program is running.
I found out that I can get the version with
System.getProperty("java.runtime.version") -> 1.8.0_202-b08
and
System.getProperty("java.version") -> 1.8.0_202
Result obviously is missing the "build" information in other but are there any other difference besides the result? Any certain cases when I should be using the first option rather than the second?
java system-properties
add a comment |
For logging purposes I'm getting the Java version written in log while Java program is running.
I found out that I can get the version with
System.getProperty("java.runtime.version") -> 1.8.0_202-b08
and
System.getProperty("java.version") -> 1.8.0_202
Result obviously is missing the "build" information in other but are there any other difference besides the result? Any certain cases when I should be using the first option rather than the second?
java system-properties
4
I’m not sure you can rely onjava.runtime.version
anymore, considering it is not documented. I would avoid it altogether.
– VGR
2 days ago
add a comment |
For logging purposes I'm getting the Java version written in log while Java program is running.
I found out that I can get the version with
System.getProperty("java.runtime.version") -> 1.8.0_202-b08
and
System.getProperty("java.version") -> 1.8.0_202
Result obviously is missing the "build" information in other but are there any other difference besides the result? Any certain cases when I should be using the first option rather than the second?
java system-properties
For logging purposes I'm getting the Java version written in log while Java program is running.
I found out that I can get the version with
System.getProperty("java.runtime.version") -> 1.8.0_202-b08
and
System.getProperty("java.version") -> 1.8.0_202
Result obviously is missing the "build" information in other but are there any other difference besides the result? Any certain cases when I should be using the first option rather than the second?
java system-properties
java system-properties
edited yesterday
fantaghirocco
3,82852738
3,82852738
asked 2 days ago
JokkeriJokkeri
17215
17215
4
I’m not sure you can rely onjava.runtime.version
anymore, considering it is not documented. I would avoid it altogether.
– VGR
2 days ago
add a comment |
4
I’m not sure you can rely onjava.runtime.version
anymore, considering it is not documented. I would avoid it altogether.
– VGR
2 days ago
4
4
I’m not sure you can rely on
java.runtime.version
anymore, considering it is not documented. I would avoid it altogether.– VGR
2 days ago
I’m not sure you can rely on
java.runtime.version
anymore, considering it is not documented. I would avoid it altogether.– VGR
2 days ago
add a comment |
3 Answers
3
active
oldest
votes
System Property Name | System Property Content | Where Displayed in java version Output
---------------------|--------------------------|---------------------------------------
java.version | product version | Line one displays the product version
---------------------|--------------------------|---------------------------------------
java.runtime.version | product version | Line one displays the product version
| product build identifier | Line two displays the build identifier
From the J2SE SDK/JRE Version String Naming Convention documentation:
- The content of the
java.runtime.version
system property can be expanded (beyond that of the java.version system property) to include the build id.
It seems that the property value can therefore be equal to the java.runtime
content or differentiate by the build id as already pointed out in the question.
Anyway, as previously stated in a comment to the question, the java.runtime.version
property doesn't appear among the currently documented system properties.
add a comment |
java.version
is a product version information of Java Runtime environment(JRE). JRE is an implementation of the Java Virtual Machine which actually executes Java programs.
java.runtime.version
is a product version along with build identifier of JRE.
add a comment |
One is JDK version, java.version and as the name suggest other is JRE version, R for the runtime
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
System Property Name | System Property Content | Where Displayed in java version Output
---------------------|--------------------------|---------------------------------------
java.version | product version | Line one displays the product version
---------------------|--------------------------|---------------------------------------
java.runtime.version | product version | Line one displays the product version
| product build identifier | Line two displays the build identifier
From the J2SE SDK/JRE Version String Naming Convention documentation:
- The content of the
java.runtime.version
system property can be expanded (beyond that of the java.version system property) to include the build id.
It seems that the property value can therefore be equal to the java.runtime
content or differentiate by the build id as already pointed out in the question.
Anyway, as previously stated in a comment to the question, the java.runtime.version
property doesn't appear among the currently documented system properties.
add a comment |
System Property Name | System Property Content | Where Displayed in java version Output
---------------------|--------------------------|---------------------------------------
java.version | product version | Line one displays the product version
---------------------|--------------------------|---------------------------------------
java.runtime.version | product version | Line one displays the product version
| product build identifier | Line two displays the build identifier
From the J2SE SDK/JRE Version String Naming Convention documentation:
- The content of the
java.runtime.version
system property can be expanded (beyond that of the java.version system property) to include the build id.
It seems that the property value can therefore be equal to the java.runtime
content or differentiate by the build id as already pointed out in the question.
Anyway, as previously stated in a comment to the question, the java.runtime.version
property doesn't appear among the currently documented system properties.
add a comment |
System Property Name | System Property Content | Where Displayed in java version Output
---------------------|--------------------------|---------------------------------------
java.version | product version | Line one displays the product version
---------------------|--------------------------|---------------------------------------
java.runtime.version | product version | Line one displays the product version
| product build identifier | Line two displays the build identifier
From the J2SE SDK/JRE Version String Naming Convention documentation:
- The content of the
java.runtime.version
system property can be expanded (beyond that of the java.version system property) to include the build id.
It seems that the property value can therefore be equal to the java.runtime
content or differentiate by the build id as already pointed out in the question.
Anyway, as previously stated in a comment to the question, the java.runtime.version
property doesn't appear among the currently documented system properties.
System Property Name | System Property Content | Where Displayed in java version Output
---------------------|--------------------------|---------------------------------------
java.version | product version | Line one displays the product version
---------------------|--------------------------|---------------------------------------
java.runtime.version | product version | Line one displays the product version
| product build identifier | Line two displays the build identifier
From the J2SE SDK/JRE Version String Naming Convention documentation:
- The content of the
java.runtime.version
system property can be expanded (beyond that of the java.version system property) to include the build id.
It seems that the property value can therefore be equal to the java.runtime
content or differentiate by the build id as already pointed out in the question.
Anyway, as previously stated in a comment to the question, the java.runtime.version
property doesn't appear among the currently documented system properties.
edited yesterday
answered 2 days ago
fantaghiroccofantaghirocco
3,82852738
3,82852738
add a comment |
add a comment |
java.version
is a product version information of Java Runtime environment(JRE). JRE is an implementation of the Java Virtual Machine which actually executes Java programs.
java.runtime.version
is a product version along with build identifier of JRE.
add a comment |
java.version
is a product version information of Java Runtime environment(JRE). JRE is an implementation of the Java Virtual Machine which actually executes Java programs.
java.runtime.version
is a product version along with build identifier of JRE.
add a comment |
java.version
is a product version information of Java Runtime environment(JRE). JRE is an implementation of the Java Virtual Machine which actually executes Java programs.
java.runtime.version
is a product version along with build identifier of JRE.
java.version
is a product version information of Java Runtime environment(JRE). JRE is an implementation of the Java Virtual Machine which actually executes Java programs.
java.runtime.version
is a product version along with build identifier of JRE.
edited 2 days ago
answered 2 days ago
Aniket SahrawatAniket Sahrawat
6,38121340
6,38121340
add a comment |
add a comment |
One is JDK version, java.version and as the name suggest other is JRE version, R for the runtime
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
add a comment |
One is JDK version, java.version and as the name suggest other is JRE version, R for the runtime
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
add a comment |
One is JDK version, java.version and as the name suggest other is JRE version, R for the runtime
One is JDK version, java.version and as the name suggest other is JRE version, R for the runtime
answered 2 days ago
Rohail UsmanRohail Usman
447
447
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
add a comment |
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
1
1
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
I'm not 100% sure but I think this might be a false assumption... As I run the app with only JRE (no JDK) both are working. I think fantaghirocco and Aniket Sahrawat are correct with their answer and the documentation VGR linked supports this
– Jokkeri
yesterday
add a comment |
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4
I’m not sure you can rely on
java.runtime.version
anymore, considering it is not documented. I would avoid it altogether.– VGR
2 days ago