How to add new System Properties in java
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24-05-2021 - |
Question
Is it possible to add new values to Java System Properties. If there is any how can introduce new keys with there corresponding values in Java System Properties.
La solution
Either System.setProperty
or use the -Dname=value
flag when you start the JVM
Autres conseils
Yes:
public static void main(String args[]) {
String key = "a new property";
System.setProperty(key, "a property with a value");
System.out.println(System.getProperty(key));
}
System.setProperties(properties object);
This will set the system properties.
If you want to set a specified property, then use
System.setProperty(key, value);//Both key and value should be string.
NOTE: This will first check the permission and then set it. If permission denied, then SecurityException may occur.
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