Answer:
2
Explanation:
The output of the Java program is 2. The public Vehicle class is defined with the class variable 'counter'. When a Vehicle class object is instantiated, the counter variable increments by one.
In the program, the two instances of the class are created, incrementing the counter variable to two, the print statement outputs 2 as the result of the program.
Answer:Table
Explanation:A relational database has structures and thus have more than one table. The tables consist of row (for entry) and column (for data). As a result, data are organized in a simple manner and are normally consistent.
Es importante porque produce efectos de iluminación, de calor, de mecánica, de química, entre otros, a través del movimiento de los electrones de los átomos.