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);
}
}how to get int from string java
// You will receive an error if there are non-numeric characters in the String.
String num = "5";
int i = Integer.parseInt(num);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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