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program to H+ELL+O W+ORLD print + before each vowels
Enter string hello world H+ELL+O W+ORLD import java.util.Scanner; public class Demo3 { public static void main(String[] args) { String s; Scanner scan = new Scanner(System.in); System.out.println("Enter string"); s= scan.nextLine(); s= s.toUpperCase(); for(int i=0;i<s.length();i++) { if (s.charAt(i)=='A'|| s.charAt(i)=='E'|| s.charAt(i)=='I'|| s.charAt(i)=='O' || s.charAt(i)=='U') { System.out.print("+" + s.charAt(i)); } else { System.out.print(s.charAt(i)); } } } }