java separate the numbers from string
// string contains numbers
String str = "The price of the book is $49";
// extract digits only from strings
String numberOnly = str.replaceAll("[^0-9]", "");
// print the digitts
System.out.println(numberOnly);java split int
String str = "1 16 217 22 992";
String[] numbersAsStrings = str.split(" ");
int[] numbers = new int[numbersAsStrings.length];
for (int i = 0; i < numbersAsStrings.length; i++) {
numbers[i] = Integer.parseInt(numbersAsStrings[i]);
}Copyright © 2021 Codeinu
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