“Count Agvurances of Marcy в String Java 8” Ответ

Count Agvurances of Marcy в String Java 8

String someString = "elephant";
long count = someString.chars().filter(ch -> ch == 'e').count();
assertEquals(2, count);
 
long count2 = someString.codePoints().filter(ch -> ch == 'e').count();
assertEquals(2, count2);