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public class PracticeProblem { public static void main(String args[]) { } public static int lettersToFive(String s, char c) { int iterator = 0, count = 0; while(iterator < s.length()) { if(s.charAt(iterator) == c) count++; iterator++; if(count == 5) return iterator; } return -1; } public static int countLetter(String s, char c) { int count = 0; for(int i = 0; i < s.length(); i++) { if(s.charAt(i) == c) count++; } return count; } public static int oddSum(int num1, int num2) { int total = 0; int startNum = Math.min(num1, num2); int finishNum = Math.max(num1, num2); for(int i = startNum; i <= finishNum; i++) { if(i % 2 != 0) total+=i; } return total; } }
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