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import java.util.regex.*; import java.lang.*; class Rextester { public static void main(String args[]) { String s="JimItBhaTT"; char[] a=s.toCharArray(); int upper=0,lower=0; for(char i:a){ if(Pattern.matches("[A-Z]",Character.toString(i))){ upper++; }else if(Pattern.matches("[a-z]",Character.toString(i))){ lower++; } } System.out.println(upper*lower); } }
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