base/common/src/main/com/thesett/common/properties/ParsedProperties.java
public static float setSysPropertyIfNull(String propname, float value)
    {
        return Float.parseFloat(setSysPropertyIfNull(propname, Float.toString(value)));
    }
public static float setSysPropertyIfNull(String propname, float value)
    {
        return Float.parseFloat(setSysPropertyIfNull(propname, Float.toString(value)));
    }
Helper method for setting system properties to defaults when they are not already set.

@param  propname The name of the system property to set.
@param  value    The value to set it to.

@return The value of the property after this method call.