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ivanzaharov [21]
3 years ago
5

1. Which of the following is NOT an example of systems software? (Points : 1)

Computers and Technology
2 answers:
vladimir2022 [97]3 years ago
4 0
The answer is "operating systems" brcause you need that that to use the rest
' 
vovikov84 [41]3 years ago
4 0
A.
hope this helps!!!

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Write code to take a String input from the user, then print the first and last letters of the string on one line. Sample run: En
Ainat [17]
<h2>Answer:</h2>

//import the Scanner class to allow for user input

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public class FirstAndLast{

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    public static void main(String []args){

       

       

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       //****get and print the first character.

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       //1. str.length() will return the number of character in the string 'str'.

       //This is also the length of the string

       //2. substring(str.length() - 1) - means get all the characters starting

       // from index that is one less than the length of the string to the last

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       System.out.print(str.substring(str.length()-1));

       

       

       

    }  // end of main method

   

} //end of class definition

<h2>Explanation:</h2>

The code has been written in Java and it contains comments explaining important parts of the code. Kindly go through the comments.

The source code and a sample output have also been attached to this response.

To run this program, copy the code in the source code inside a Java IDE or editor and save it as FirstAndLast.java

Download java
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> java </span>
4c53f66d970acf88b251b2cf41bcdaf6.png
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