String.indexOf

String.indexOf

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Syntax 1
public int indexOf( String str )
Parameters
str
any string.
Returns
if the string argument occurs as a substring within this object, then the index of the first character of the first such substring is returned; if it does not occur as a substring, -1 is returned.
Description
Returns the index within this string of the first occurrence of the specified substring.



Syntax 2
public int indexOf( String str, int fromIndex )
Parameters
str
the substring to search for.
fromIndex
the index to start the search from.
Returns
If the string argument occurs as a substring within this object at a starting index no smaller than fromIndex, then the index of the first character of the first such substring is returned. If it does not occur as a substring starting at fromIndex or beyond, -1 is returned.
Description
Returns the index within this string of the first occurrence of the specified substring, starting at the specified index.