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Molodets [167]
3 years ago
7

A ________ is s field or set of fields in a record that uniquely defines the record.

Computers and Technology
1 answer:
Archy [21]3 years ago
5 0
A primary key is the answer. =)
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Two friends can share 100 songs from their Bluetooth enabled mobile devices
Umnica [9.8K]

Answer:

A

Explanation:

If they are connected via bluetooth, you can share unlimited amounts of anything.

6 0
2 years ago
Is the process of modifying something to make it fit certain criteria.
alexandr402 [8]

Answer:

Design Process

8 0
2 years ago
Hello! I am a new coder, so this is a simple question. But I am trying to create a code where you enter a number, then another n
slavikrds [6]

no longer returns an error but your math seems to have something wrong with it, always returns 0

Console.WriteLine("Enter a percentage here");

   int Percent = int.Parse(Console.ReadLine());

   Console.WriteLine("Enter your number here");

   int Number = int.Parse(Console.ReadLine());

   int result = Percent / 100 * Number;

6 0
2 years ago
Just a quick question, how do you set something == to char and int in an if statement (java)
Troyanec [42]

This is the requested code in java.

public class <em>CharTest</em> {

   public static String checkCharacter(String text, int index) {

       if (0 <= index && index <= text.length()) {

           char ch = text.charAt(index);

           if (Character.isLetter(ch)) {

               return ch + " is a letter";

           } else if (Character.isDigit(ch)) {

               return ch + " is a digit";

           } else if (Character.isWhitespace(ch)) {

               return ch + " is a whitespace character";

           } else {

               return ch + " is an unknown type of character";

           }

       } else {

           return "index " + index.toString() + " is out of range";

       } // <em>end if</em>

   } // <em>end function checkChar()</em>

   public static void <em>main</em>(String[] args) {

       // <em>Test the three samples from the specification.</em>

       System.out.println(<em>checkCharacter</em>("happy birthday", 2));

       System.out.println(<em>checkCharacter</em>("happy birthday", 5));

       System.out.println(<em>checkCharacter</em>("happy birthday 2 you", 15));

   } // <em>end function main()</em>

} // <em>end class CharTest</em>

The function <em>checkcharacter</em>(text, index) returns a string value describing the kind of character found at the position in text specified by index; whether it was a letter, digit, whitespace, or an unknown kind of character.

How it does that is to make use of respective functions defined within the Character class in java. That is

  • isLetter(char) returns a bool specifying if the char parameter is a letter.
  • isDigit(char) returns a bool specifying if the char parameter is a digit.
  • isWhitespace(char) returns a bool specifying if the char parameter is a whitespace character.

It calls these functions in an if statement. These else part of the if statement is then executed if the character is neither a <em>letter</em>, <em>digit</em>, or <em>whitespace</em>.

Finally, the function main() calls <em>checkCharacter</em>() three times to test the function and return the results to the console.

Another example of a java program on characters is found in the link below

brainly.com/question/15061607

3 0
2 years ago
The browser feature which enables tabs to work independently from one another so if one crashes, the others may continue to work
Mars2501 [29]

Answer:

Tab isolation

Explanation:

Tab isolation is a feature of the browser that works to protect your data from malware. its uses to enhance the reliability of the browser by considering the impact of the crash.

A browser without the tab isolation can be crash fully due to the crashing of one tab. this feature helps to recover the previous opening tab after crashing while on the previous version of the browser if one tab crashes then it automatically crashes all other tabs.

8 0
3 years ago
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