Find String Character Occurrence Using Java 8
Using Stream API map method and Collectors.groupingby we can solve this coding question. Please go through below code for more information.
import java.util.stream.Collectors;import java.util.*;public class StringCharactrs{public static void main(String args[]){String str= "abbceegk";Map<String, Long> countCharacter =Arrays.stream(str.split("")).map(String::toLowerCase).collect(Collectors.groupingBy(x-> x, LinkedHashMap::new, Collectors.counting()));System.out.println(countCharacter);}}
Output:
Output {a=1, b=2, c=1, e=2, g=1, k=1}
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