isthis.toString().startsWith(str, <i>k</i>)
true
.
@param str any string.
@return if the string argument occurs as a substring within this object, then the index ofthe first character of the first such substring is returned; if it does not occur as a substring, -1
is returned.
@exception java.lang.NullPointerException if str
is null
.
@since 1.4
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