Question

How to implement the C strstr() function in Java

Answer 1

public class Program {
   public static String strStr(String stringToSearch, String stringToFind) {
		int index = stringToSearch.indexOf(stringToFind);
		
		if (index > -1)
			return stringToSearch.substring(index);
		else
			return null;
	}
    
    public static void main(String args[]) {
        String str = "the best java books for java programing";
        String find = "java";
        
        System.out.println(strStr(str, find));
    }
}


  
/*
run:
  
java books for java programing
  
*/

 

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