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Alexeev081 [22]
3 years ago
11

What is the purpose of using variables in programming?

Computers and Technology
1 answer:
Sedbober [7]3 years ago
6 0
Variables are used to store information to be referenced and manipulated in a computer program. ... It is helpful to think of variables as containers that hold information. Their sole purpose is to label and store data in memory. This data can then be used throughout your program.
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Write a public static method called getPIDs that has a parameter of type Map called nameToPID (keys are student names and values
Rasek [7]

Answer:

Java program is explained below

Explanation:

import java.util.HashSet;

import java.util.Map;

import java.util.TreeMap;

public class TruckRace1 {

   public static HashSet<String> getPIDs (Map<String,String>nameToPID ){

       HashSet<String> pidSet = new HashSet<>();

       for(String ids: nameToPID.values()){

           pidSet.add(ids);

       }

       return pidSet;

   }

   public static void main(String[] args) {

       Map<String,String> pids = new TreeMap<>();

       pids.put("John","123");

       pids.put("Jason","124");

       pids.put("Peter","125");

       pids.put("Alice","126");

       pids.put("Peny","129");

       HashSet<String> ids = getPIDs(pids);

       for(String id:ids){

           System.out.println(id);

       }

   }

}

4 0
3 years ago
What are source data entry devices​
matrenka [14]

Answer:

<u><em>Source data entry devices are used for audio input, video input and to enter the source document directly to the computer. Source data entry devices do not require data to be typed-in, keyed-in or pointed to a particular location.</em></u>

Explanation:

7 0
3 years ago
All organizations with a router at the boundary between the organization’s internal networks and the external service provider w
Anika [276]

Answer:

False

Explanation:

Access Control Lists (ACLs) are network filters used by routers and some switches to permit and restrict data flows in and out of network devices. When an ACL is implemented in a device or interface, the network device analyses data passing through it, compares it to the specification described in the ACL, and allows it the data to flow or prohibits it. One of the main reasons ACLs arre used is to provide a basic level of security for networks. If anything, the use of ACLs and their complexities bring about a delay in transmission through networks.

3 0
3 years ago
Default tab stops are set in word every ___________ inch.
iren [92.7K]
They are set every 1 inch.
6 0
3 years ago
I dunno what to write my memo thing about ⁻³⁻
Alex73 [517]

Answer:

Wdym? I could help u

Explanation:

5 0
3 years ago
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