North Korea heavily monitors its people's internet access.
China has some monitoring.
Answer:
Java Code given below with appropriate comments for better understanding
Explanation:
1.
public String whatAmI(E e) {
//.getClass() returns the runtime class of an object
//.equals() determines whether two objects are equivalent
//by calling a new static instance of a wrapper object we can analyze
//it's class type and compare it to the variable passed in
if(e.getClass().equals(new Integer(1).getClass())) {
return "Integer";
}
else if(e.getClass().equals(new String("1").getClass())) {
return "String";
}
else if(e.getClass().equals(new Double(1.0).getClass())) {
return "Double";
}
else {
return "Who knows!";
}
}
2.
public String reverseWord(String word) {
Stack<Character> stack = new Stack<Character>();
for (int i = 0; i < word.length(); i++) {
stack.push(word.charAt(i));
}
String result = "";
while (!stack.isEmpty()) {
result += stack.pop();
}
return result;
}
Answer:
Database Management Software.
Explanation:
The software that provides the mechanism to access the database is called Database Management Software.There are two types databases SQL and No SQL.There are various types of database Management Software present online for ex:-My SQL,Microsoft SQL server,Microsoft Access,Postgres SQL,Mongo DB etc.