import com.google.common.base.CaseFormat;
String s1 = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, "recordId");
String s2 = CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, "RecordId");
String s3 = CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, "RECORD_ID");
String s4 = CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, "RECORD_ID");
System.out.println(s1);
System.out.println(s2);
System.out.println(s3);
System.out.println(s4);
