A 2d array (i.e. 2 dimensional array) represents its elements in rows and columns
<h3>The program in Java</h3>
The method in Java, where comments are used to explain each line is as follows
//This defines the method
public static int diagSum(int[][] myArray) {
//This initializes sum to 0
int sum = 0;
//This iterates through each row of the array
for (int i = 0; i < myArray.length; i++) {
//This calculates the sum of the diagonals
sum+=myArray[i][i];
}
//This returns the sum
return sum;
}
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Answer:
import java.util.*;
public class MyClass {
public static void main(String args[]) {
Scanner input = new Scanner(System.in);
System.out.print("Input a word: ");
String userinput = input.nextLine();
for(int i =0;i<userinput.length();i+=2) {
System.out.print(userinput.charAt(i));
}
}
}
Explanation:
This line prompts user for input
System.out.print("Input a word: ");
This declares a string variable named userinput and also gets input from the user
String userinput = input.nextLine();
The following iterates through every other character of userinput from the first using iteration variable i and i is incremented by 2
for(int i =0;i<userinput.length();i+=2) {
This prints characters at i-th position
System.out.print(userinput.charAt(i));
Each kind of computer users have different knowledge, needs and requirements. For example there is a difference between the computer knowledge of developers and users without <span>technical experience. Because of this, but also why they need and use computers, and what tools they need, design consideration need to change for each kind of computer users.</span>
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Answer:
Delegate is a function pointer which points the address of a function.
Explanation:
Let the function to compare two integers takes two integers as arguments
C#.net syntax:
delegate void Del(int,int);
Here delegate is the keyword. Del is the name of the delegate which stores the address of the function whose return type is void and which takes 2 integer arguments.
public void CompareIntegers(int x, int y)
{
if (x>y) Console.WriteLine("X is greater");
else Console.WriteLine("Y is greater");
}
delegate void Del(int,int);
void main(){
Del del1=new Del(CompareIntegers);
}
