Cheat sheet: Java pointers for beginners / 13 COMMON JAVA PROBLEMS AND HOW TO AVOID THEM

JAXenter:
https://jaxenter.com/cheat-sheet-java-pointers-beginners-136282.html

JAX London:
https://jaxlondon.com/blog/java-core-languages/java-pointers-for-beginners/

JAX Mag:
https://jaxenter.com/jax-magazine-3-2017-jvm-cheat-sheets-135125.html