4.22 (Check substring) Write a program that prompts the user to enter two strings and reports whether the second string is a substring of the first string.
Enter string s1: ABCD
Enter string s2: BC
BC is a substring of ABCD
Enter string s1: ABCD
Enter string s2: BDC
BDC is not a substring of ABCD
import java.util.Scanner; public class ProgrammingEx4_22 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Enter string s1:"); String s1 = input.nextLine(); System.out.print("Enter string s2:"); String s2 = input.nextLine(); if (s1.contains(s2)) { System.out.println(s2 + " is a substring of " + s1); } else { System.out.println(s2 + " is not a substring of " + s1); } } }
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