Prop
Related Docs:
object Prop
| package sys
Removes the property from the underlying map.
Gets the current string value if any.
Gets the current string value if any. Will not return null: use
isSet to test for existence.
the current string value if any, else the empty string
True if the key exists in the properties map.
True if the key exists in the properties map. Note that this is not sufficient for a Boolean property to be considered true.
whether the map contains the key
The full name of the property, e.g., "java.awt.headless".
Some(value) if the property is set, None otherwise.
Sets the property.
Sets the property.
the new string value
the old value, or null if it was unset.
Sets the property with a value of the represented type.
If the key exists in the properties map, converts the value
to type T using valueFn.
If the key exists in the properties map, converts the value
to type T using valueFn. As yet no validation is performed:
it will throw an exception on a failed conversion.
the converted value, or zero if not in the map
A value of type T for use when the property is unset.
A value of type T for use when the property is unset.
The default implementation delivers null for reference types
and 0/0.0/false for non-reference types.
A lightweight interface wrapping a property contained in some unspecified map. Generally it'll be the system properties but this is not a requirement.
See
scala.sys.SystemPropertiesfor an example usage.2.9
2.9