Question

Write a program that prints the following 45 pairs of numbers:

Answer 1

Answer:

• Code is in JAVA language. As there is no user input the logic is straightforward.

• Below is the code along with a detailed explanation of the logic.

• The class name is Print main save as file as the main class.

Explanation:

Program:-

public class Main{

public static void main(String args[]){

/* There are two for loops...

* First for loop runs from i=1 to i=9

* Second for loop runs from j=1 to j=i.

*

*/

for(int i=1;i<=9;i++){

for(int j=1;j<=i;j++){ // j loop runs from j=1 to j=i

/*Prints I and j next to each other*/

System.out.println(i+""+j);

}//for loop of j ends here

}// for loop of I ends here

}

}