Experiment with a simple derivation relationship between two classes. put println statements in constructors of both the parent and child classes. do not explicitly call the constructor of the parent in the child classes. do not explicitly call the constructor of teh parent in the child. what happens? why? change the child's constructor to explicitly call the constructor of the parent. now what happens?

i need an example program in java, because i can't visualize what i am supposed to do, and i do need with that, if you could send me the sample programs i would be grateful you.

The type of program is the hierarchical grid

Learning about them i guess, idk

Yeah they want to steal your info and sell it on the dark web. they want your credit/debit card numbers, social security numbers, google passwords, and other stuff. some people install spyware onto your device, which, as the word suggests, is built to spy on your every move, such as what you type. they then sell this information to other people secretly or use it for evil purposes themselves. or both, idk. the reason why this info costs money to learn is because its valuable info. im not saying that i condone it though! hacking sucks, and whoever is involved in it is just a horrible person.