java isolate 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 get number out of string
for(int i=0; i<yourString.length();i++) {
if(Character.isDigit(yourString.charAt(i))) {
// Do something with the number
// For example convert it to int:
int yourNumber = Integer.parseInt(String.valueOf(yourString.charAt(i)));
}
}Copyright © 2021 Codeinu
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