CODE EXAMPLE FOR JAVA

string.indexof java

Method Signature:
	public int indexOf(String str)
	public int indexOf(String str, int fromIndex)
	public int indexOf(char c)
	public int indexOf(char c, int fromIndex)

Returns: Index of the first occurrence of the passed argument
		-1 if it never occurs

Eg: String myStr = "Hello World!";
	System.out.println(myStr.indexOf("o"));
Output: 4