Answer:
The correct answer to the following question will be Vendor Lock-In.
Explanation:
Vendor Lock-In: It is also known as Customer Lock-In. The Vendor Lock-In makes the costumer depends on services and products on the vendor. The costumers are not able to use another vendor without changing costs as it creates barriers.
Some ways to avoid Vendor Lock-In, these are as follows:
- Design your application portable.
- Keep watching vendor contracts.
- Arrange both entry and exit with your vendor.
Answer:
The correct answer to the following question is option 4.
Explanation:
The private class does not mean that the package-private, it means that no other class can see its members.
It is used in creating the building blocks which is implementing the internal functionality that you don't want to visible to the other projects using the library.
We can use private constructor to ensure that more than one object cannot be created at the time.