Java:
String numberString = "1,2,3,4,5";
int[] numbers = Arrays.stream(numberString.split(",")).mapToInt(Integer::parseInt).toArray();
Python:
numberString = '1,2,3,4,5'
numbers = [int(n) for n in numberString.split(',')]
Java:
List<Integer> numbers = Arrays.asList(4, 8, 15, 16, 23, 42);
String numberString = numbers.stream()
.map(Object::toString)
.collect(Collectors.joining( "," ));
Python:
numbers = [4, 8, 15, 16, 23, 42]
numberString = ",".join([str(n) for n in numbers])
Java:
String.format("a=%s b=%s c=%s", a, b, c)
Python:
# Python 3.6 (https://www.python.org/dev/peps/pep-0498):
f"a={a} b={b} c={c}"
# Older versions:
"a={} b={} c={}".format(a, b, c)
Kotlin:
"a=$a b=$b c=$c"