Answers for "how to find number in string sentance java"

2

how to find a number in a string java

public class ContainsExample {
   public static void main(String args[]){
      String sample = "krishna64";
      char[] chars = sample.toCharArray();
      StringBuilder sb = new StringBuilder();
      for(char c : chars){
         if(Character.isDigit(c)){
            sb.append(c);
         }
      }
      System.out.println(sb);
   }
}
Posted by: Guest on February-21-2022
0

java get number at the end of string

public static BigInteger lastBigInteger(String s) {
    int i = s.length();
    while (i > 0 && Character.isDigit(s.charAt(i - 1))) {
        i--;
    }
    return new BigInteger(s.substring(i));
}
Posted by: Guest on November-25-2020

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