Write a program to accept a string. Convert the string into upper case letters.
Java Programming Language (Article) (Program)
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Write a program to accept a string. Convert the string into upper case letters. Count and output the number of double letter sequences that exist in the string.
Sample Input: "SHE WAS FEEDING THE LITTLE RABBIT WITH AN APPLE"
Sample Output: 4
Program:
import java.util.Scanner; public class KboatLetterSeq { public static void main(String args[]) { Scanner in = new Scanner(System.in); System.out.print("Enter string: "); String s = in.nextLine(); String str = s.toUpperCase(); int count = 0; int len = str.length(); for (int i = 0; i < len - 1; i++) { if (str.charAt(i) == str.charAt(i + 1)) count++; } System.out.println("Double Letter Sequence Count = " + count); } }
Output:
Enter string: SHE WAS FEEDING THE LITTLE RABBIT WITH AN APPLE Double Letter Sequence Count = 4 Press any key to continue . . .
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