Hello! I am trying to learn how to use nested for loops in AP Computer Science at school, and I am having trouble with this lab :/ I have made some progress towards getting the correct result. However, I am having issues on my path. The image above shows what I need to do.
Sample Data:
C 4
A 5
Sample Output:
CCCC DDD EE F
CCCC DDD EE
CCCC DDD
CCCC
AAAAA BBBB CCC DD E
AAAAA BBBB CCC DD
AAAAA BBBB CCC
AAAAA BBBB
AAAAA
also above is the I/O I need.
The code I have written so far is as follows:
import java.util.Scanner;
public class LettersAndNumbers {
public static void main(String args []) {
int times;
String character;//I know this sounds stupid
Scanner scan = new Scanner(System.in);
System.out.print("Enter a character and integer");
character = scan.nextLine();
times = scan.nextInt();
String output ="";
for(int i=times; i>=0;i--) {
for(int j=i;j>=1;j--){
for(int x = j; x>=1; x--)
{
output=output + character;
}
output=output+" ";
}
output=output +'\n';
int charValue = character.charAt(0);
character = String.valueOf( (char) (charValue + 1));
}
System.out.println(output);
}
}
It yields the following output (I'm getting close):
Enter a character and integer C
4
CCCC CCC CC C
DDD DD D
EE E
F
Any help you can provide is greatly appreciated!
Working solution:
Scanner scanner = new Scanner(System.in);
String userInputChar=scanner.next();
char userChar=userInputChar.charAt(0);
int userInputDigit=scanner.nextInt();
for(int i=1;i<=userInputDigit;i++){
char charProcess=userChar;
for(int j=(userInputDigit-i)+1,l=userInputDigit;j>=1;j--,l--){
for(int k=l;k>=1;k--){
System.out.print(charProcess);
}
charProcess=(char) (charProcess+1);
System.out.print(" ");
}
System.out.print("\n");
}
scanner.close();
Let me know how it goes. Good Luck.