Scanner sc = new Scanner(System.in); System.out.println("Enter the string ??"); String str = sc.nextLine(); str=str.toLowerCase(); char[] st = str.toCharArray(); System.out.println(Arrays.toString(st)); int count = 0; for(int i=0;i<str.length();i++) { for(int j=i+1;i<str.length();i++) { if(st[i]==st[j]) { count+=1; } if(count>0) { System.out.print(st[i]); count=0; } } }
else if
letterCounts
var
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