java stream collect to string
List<Integer> numbers = Arrays.asList( 4, 8, 15, 16, 23, 42 );
return numbers.stream()
.map( n -> n.toString() )
.collect( Collectors.joining( "," ) );java stream collect to string
List<Integer> numbers = Arrays.asList( 4, 8, 15, 16, 23, 42 );
return numbers.stream()
.map( n -> n.toString() )
.collect( Collectors.joining( "," ) );inputstream to string java
StringBuilder textBuilder = new StringBuilder();
try (Reader reader = new BufferedReader(new InputStreamReader
(stream, Charset.forName(StandardCharsets.UTF_8.name())))) {
int c = 0;
while ((c = reader.read()) != -1) {
textBuilder.append((char) c);
}
} catch (IOException e) {
e.printStackTrace();
}
textBuilder.toString;Copyright © 2021 Codeinu
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