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How so I get the default value of system property in java like ntlm.debug or jdk.tls.stapling. ignoreExtensions On using system.getProperty(Property name) gives null. I am running with jdk version 11.0.7 Is there any other way to get default values of the properties?

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    Please provide a minimal reproducible example. Also how are you running your program? From the command line or in an IDE (like Eclipse, Netbeans, IntelliJ etc)
    – Lino
    Commented Jun 19, 2020 at 5:45
  • import java.util.Properties; public class ListSystemProperties { public static void main(String[] args) { System.out.println(System.getProperty("jdk.tls.stapling.ignoreExtensions")); } } This is basic code I am using and running from command line
    – nzare
    Commented Jun 19, 2020 at 5:54

1 Answer 1

Reset to default
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System.getProperties() will give a map of all default properties of the system.
like
sun.management.compiler : HotSpot 64-Bit Tiered Compilers
sun.jnu.encoding : UTF-8
java.runtime.version : 14+36-1461
...
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  • Thanks, so the ones not listed by this are not default and need to be specified explicitly?
    – nzare
    Commented Jun 19, 2020 at 5:51
  • Yes, System.getProperties().put("hello", "hello");
    – alokj
    Commented Jun 19, 2020 at 5:54

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