String#next
is used in Range object.
System.println("aa".next());
System.println("88".next().next());
System.println("99".next());
System.println("ZZ".next());
System.println("a9".next());
System.println("-9".next());
System.println("1.9.9".next());
System.println(".".next());
System.println("a".next());
System.println("z".next());
System.println("Ad".next());
System.println("Az".next());
System.println("zz".next());
System.println("4".next());
System.println("9".next());
System.println("a9".next());
System.println("9z".next());
System.println("4:5:9".next());
System.println("-5".next());
System.println(":9".next());
ab
90
100
AAA
b0
-10
2.0.0
/
b
aa
Ae
Ba
aaa
5
10
b0
10a
4:6:0
-6
:10