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Copy pathSnaketoCamelCase.java
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Copy pathSnaketoCamelCase.java
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46 lines (35 loc) · 997 Bytes
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package hackerearth;
import org.apache.commons.lang.StringUtils;
public class SnaketoCamelCase {
public static void main(String[] args) {
String input = "camel_case_str_test";
System.out.println(convert(input));
System.out.println(ApacheUtilsMethod(input));
}
public static String convert(String inputStr){
StringBuilder strBuilder = new StringBuilder(inputStr.length());
boolean capitalizeNextChar = false;
for (char c : inputStr.toCharArray()) {
if(c == '_'){
capitalizeNextChar = true;
continue;
}
if (capitalizeNextChar) {
strBuilder.append(Character.toUpperCase(c));
}
else{
strBuilder.append(c);
}
capitalizeNextChar = false;
}
return strBuilder.toString();
}
public static String ApacheUtilsMethod(String str){
StringBuffer strBuffer = new StringBuffer();
String[] tokens = str.split("_");
for (String s : tokens) {
strBuffer.append(StringUtils.capitalize(i));
}
return strBuffer.toString();
}
}