Add doc.
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@ -50,6 +50,11 @@ public class MainPanel {
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});
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}
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/**
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* Extracts the upper case characters from the given string.
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* @param s The string where to extract upper case characters.
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* @return The upper case characters found in the given string.
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*/
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public String extractUpperCase(String s) {
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String upperCase = "";
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for (int i = 0; i < s.length(); i++) {
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