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Java Tutorial : Java String (indexOf(String str) method)

IndexOfDemo.java

/*
 * public int indexOf(String str)
 *
 * Parameters:
 * ---------- 
 * str - the substring to search for.
 *
 * Returns:
 * -------
 * the index of the first occurrence of the
 * specified substring, or -1 if there is no such
 * occurrence.
 */

public class IndexOfDemo
{

    public static void main(String[] args)
    {
        String str = "Welcome.com";

        int indexPosition = str.indexOf("com");
        System.out.println("indexOf(\"com\") = " + indexPosition);

        indexPosition = str.indexOf("abc");
        System.out.println("indexOf(\"abc\") = " + indexPosition);

    }
}