gradle lesson 1
Merge branch 'master' of https://github.com/codeindesign/sample-codes into java

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
1st commit
replace
e.g 14.1, e.g 14.2
complete ex14.2
spring schedule tasks