ARPANET was the network that became the 'basis' for the Internet. It was based on a concept first published in 1967. It was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA). In 1969, the idea became a modest reality with the interconnection of four university computers.
Answer:
// program in java.
// package
import java.util.*;
// class definition
class Main
{// main method of the class
public static void main (String[] args) throws java.lang.Exception
{
try{
// scanner object to read inputs
Scanner scr=new Scanner(System.in);
// variables
String name;
double price;
System.out.print("Enter item's name: ");
// read item's name
name = scr.next();
System.out.print("Enter item's price: ");
// read item's price
price= scr.nextDouble();
// print name
System.out.println("name of item is:"+name);
// print price
System.out.println("price of item is:"+price);
}catch(Exception ex){
return;}
}
}
Explanation:
Read name & price of item from user and assign it to variables "name" & "price" respectively with scanner object.Then print the name and price of item .
Output:
Enter item's name: Apple
Enter item's price: 100
name of item is:Apple
price of item is:100.0
Answer:
Interpolation string.
Explanation:
The proces of adding the variable in middle the string.The interpolation Replace the value of the Variable when the string data is processed .In the Interpolation process the variable is permitted with string containing double quotes.In the interpolation string the interpreter check the entirely string that the variable in middle the string.
Following is the example of interpolation string in Php
$n1 = "RAM";
echo "hello $name"; // output
Output:
hello RAM
