Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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1. Given a string of at least 3 characters as input, if the length of the string is odd return the character in the middle as a string. If the string is even return the two characters at the midpoint.

 

public class Class1 {

  

public static String midString(String str) {

//Enter code here

}

}

 

-----------

 

2. Given an array of integers return the sum of the values stored in the first and last index of the array. The array will have at least 2 elements in it

 

public class Class1 {

  

public static int endSum(int[] values) {

//Enter code here

}

  

}

 

-----------

 

3. The method takes a string as a parameter. The method prints treat if the string is candy or chocolate (of any case, such as CaNdY) Otherwise print trick

 

import java.util.Scanner;

 

public class Class1 {

public static void trickOrTreat(String str) {

//Enter code here

}

  

public static void main(String[] args) {

Scanner s = new Scanner(System.in);

trickOrTreat(s.nextLine());

}

}

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