Answer:
- import java.util.Arrays;
 - public class Main {
 - 
 -     public static void main(String[] args) {
 -         String [] first = {"David", "Mike", "Katie", "Lucy"};
 -         String [] middle = {"A", "B", "C", "D"};
 -         String [] names = makeNames(first, middle);
 - 
 -         System.out.println(Arrays.toString(names));
 -     }
 - 
 -     public static String [] makeNames(String [] array1, String [] array2){
 - 
 -            if(array1.length == 0){
 -                return array1;
 -            }
 - 
 -            if(array2.length == 0){
 -                return array2;
 -            }
 - 
 -            String [] newNames = new String[array1.length];
 - 
 -            for(int i=0; i < array1.length; i++){
 -                newNames[i] = array1[i] + " " + array2[i];
 -            }
 - 
 -            return newNames;
 -     }
 - }
 
Explanation:
The solution code is written in Java. 
Firstly, create the makeNames method by following the method signature as required by the question (Line 12). Check if any one the input string array is with size 0, return the another string array (Line 14 - 20). Else, create a string array, newNames (Line 22). Use a for loop to repeatedly concatenate the string from array1 with a single space " " and followed with the string from array2 and set it as item of the newNames array (Line 24-26). Lastly, return the newNames array (Line 28).
In the main program create two string array, first and middle, and pass the two arrays to the makeNames methods as arguments (Line 5-6). The returned array is assigned to names array (Line 7). Display the names array to terminal (Line 9) and we shall get the sample output: [David A, Mike B, Katie C, Lucy D]
 
        
             
        
        
        
Network issues; screen resolution and volume issues
        
             
        
        
        
Answer:
1.) 25 ; 15 ; 15
2.) 50 ; 15 ; 50
Explanation:
In the first function written :
The variable val was initially decaled or assigned a value of 25 and that was what was printed first.
However, after the example function was written, the val variable was finally assiagned a value of 15 within the function. However, it was also declared that the global variable takes uonthe val value. Hence, the val variable initially assigned a value, of 25 changes to 15 globally.
For the second code :
From the top:
Val was assigned a value of 50 ;
Hence, 
print(val) gives an output of 50
 
Within the function definition which prints the value of val that is assigned a value of 25 within the function. 
Since tbe global variable isnt reset. 
Printing Val again outputs 50;since ito is outside the function.
 
        
             
        
        
        
For testing the designs of the product prior to putting it into production, mechanics should be responsible for the same. 
The information related to the mechanics engineers is as follows:
- They are responsible for manufacturing & designing of machines & products. 
 - It is the engineering branch. 
 - Moreover, they are fully responsible for developing things.
 
Thus we can say that for testing the designs of the product prior to putting it into production, mechanics should be responsible for the same. 
Learn more related to the production here: brainly.com/question/22852400
 
        
             
        
        
        
Answer:The page up and page down keys are sometimes called PgUp or PgDn and they are located on the right of the keyboard with page up on top and page down on the bottom. This short article about technology can be made longer.
Explanation: