Formatter { public static String toCamelCase(String source) { return toCamelCaseImpl(source).toString(); } private  Formatter(); static String toUpperCase(String source); static String toLowerCase(String source); static String toCamelCase(String source); static String toUnderscoreCase(String source); static String toPascalCase(String source);  }
@Test public void testToCamelCase() throws Exception { assertEquals("someFoo", Formatter.toCamelCase("some_foo")); assertEquals("someFoo", Formatter.toCamelCase("SomeFoo")); }