Answer:
Explanation:
A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (these are called characters in a keyboard) into a computer. Using a keyboard to enter lots of data is called typing. A keyboard contains many mechanical switches or push-buttons called "keys".
Well potential energy is energy that is in a object while its not moving so i would go your third option
Answer:
Java provide all the ADTs you need,therefore you do not need to create any newones.
This statement is not true.
Explanation:
ADTs are those data types which we use but we didn't know their inner working that is how it is working what is happening inside.It is commonly used for Data Structures for example:- In stack we use push and pop operations to insert and to delete element from a stack respectively but we didn't know how it is happening inside.How the stack is implemented and etc.Java provides most of the ADT's but not all.
Answer:
u can see the answer in this picture