Answer:
i don't want ur email but here's a joke more like a riddle: I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
answer an echo
Explanation:
<span>True. When users make changes to the database, such as creating, altering, or dropping tables or creating or dropping indexes, the DBMS updates the system catalog automatically.</span>
Answer: Serializable interface is the interface that acts as the maker persisting without any specific method and members in Java. The maker has the objective of identification of class for serialization method. This helps in the conversion of the object value in the byte form.
Object is serialized by converting the state into byte version and thus can be returned to object copy . The java.io.Serializable interface is the requirement for the conversion of any object of particular class or superclass. This technique is followed for making the data flow on the network efficient and easy.
Answer:
Option 3) Boolean is the correct answer
Explanation:
Let us see all the data types given in the options.
Alphabetic datatype stores alphabets and characters.
Float stores numbers with decimal points.
Boolean is a binary data type that can only have two values either one and zero or true and false.
Integer stores positive and negative numbers.
Looking at all the definitions we can conclude that Boolean will be the suitable variable to store the answers as the answer can only have one of the two values from true and false.
Hence,
Option 3) Boolean is the correct answer
