<span>The string is a sequence of characters.</span><span>
Each character in a string has an index which specifies its position in the string.
</span>The index of the first character is 0, the second character is 1, and so on.The character at the nth position has the index n.
I believe it’s the first answer
“They can be used in multiple places “
But I’m not sure!!
B.................................
Since java.util.PriorityQueue doesn't use the Cloneable interface, I think it's safe to say that Serializable interfaces are implemented in all instances.
DSL - DSL stands for Digital Subscriber Line. This technology came after the Dial Up technology for connecting to the Internet. The big disadvantage of Dial-up technology was that when you were talking on the phone, you could not use the Internet and vice-versa. However, although DSL technology used the regular telephone line , it worked on frequencies different from the telephone. So you could use the phone and the Internet at the same time.
