String str="x";
System.out.println(str.substring(1));
From Javadoc:
String java.lang.String.substring(int beginIndex): Returns a new string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string.
Take a look at the JavaDoc, and pay specific attention to the "emptiness" example:
Returns a string that is a substring of this string. The substring begins
with the character at the specified index and extends to the end of
this string.
Examples:
"unhappy".substring(2) returns "happy"
"Harbison".substring(3) returns "bison"
"emptiness".substring(9) returns "" (an empty string)
Parameters:
beginIndex the beginning index, inclusive.
Returns:
the specified substring.
Throws:
IndexOutOfBoundsException - if beginIndex is negative or larger than
the length of this String object
An exception is throw if beginIndex is negative or larger than the length of this String object; in your case, beginIndex is equal to the length of your string, and not larger.
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