package String; public class OnlyNumInString { public static void checkNum(String s) { char[] c=s.toCharArray(); System.out.print("Number in given String: "); for(int i=0;i='0'&&c[i]<='9') System.out.print(c[i]+", "); } } public static void main(String[] args) { String s = "he9llo w2o5r7ld"; checkNum(s); } }