java - Have System properties always values -


do system.getproperty("line.separator") , system.getproperty("os.name") have values?

or need check return value in code null?

yes, inserted automatically jvm


Comments

Popular posts from this blog

node.js - StackOverflow API not returning JSON -

python - Subclassed QStyledItemDelegate ignores Stylesheet -

sql server - TFS 2012 TF255062 Error after removing 'Active Directory' Role -