Java Stack and Heap

the object(String greeting) stays at Stack and the real value(i.e "Hello world") stay at Heap

Sublime 3 - useful keyboard shortcuts

source #1:
source #2:
Ctrl + D
Select a word.

Ctrl + L
Select a line.

Ctrl + A
Select the entire content within the document.

Ctrl + Shift + M
Select anything inside the bracket (which is useful when working with CSS or JavaScript)

Furthermore, Sublime Text brings lets us select multiple lines at once, which can significantly boost your productivity. There are several ways to perform this feature:


Hold the Ctrl key and click on the lines that you want to select.

Ctrl + Shift + G
Select a code, line, or word first the hit this combo to select the others with the same instances.

Ctrl + D
Hit this key to quickly select the next code, line, or word that has the same instances as you are currently selecting.

OpenJDK source codes

Spring boot Common application properties
# ===================================================================# COMMON SPRING BOOT PROPERTIES## This sample file is provided as a guideline. Do NOT copy it in its# entirety to your own application. ^^^# ===================================================================# ----------------------------------------# CORE PROPERTIES# ----------------------------------------# BANNERbanner.charset=UTF-8 # Banner file encoding.banner.location=classpath:banner.txt # Banner file location.banner.image.location=classpath:banner.gif # Banner image file location (jpg/png can also be used).banner.image.width= # Width of the banner image in chars (default 76)banner.image.height= # Height of the banner image in chars (default based on image height)banner.image.margin= # Left hand image margin in chars (default 2)banner.image.invert= # If images should be inverted for dark terminal theme…