java Programming Glossary: str.charat

http://stackoverflow.com/questions/1795808/and-and-or-in-if-statements

you can write if str null str.isEmpty doSomethingWith str.charAt 0 or the other way round if str null str.isEmpty complainAboutUnusableString.. complainAboutUnusableString else doSomethingWith str.charAt 0 If we hadn't 'short circuits' in Java we'd receive a lot of..

What's the best way to check to see if a String represents an integer in Java?

http://stackoverflow.com/questions/237159/whats-the-best-way-to-check-to-see-if-a-string-represents-an-integer-in-java

int length str.length if length 0 return false int i 0 if str.charAt 0 ' ' if length 1 return false i 1 for i length i char c str.charAt.. 0 ' ' if length 1 return false i 1 for i length i char c str.charAt i if c ' ' c ' ' return false return true share improve this..

C# equivalent to Java's charAt()?

http://stackoverflow.com/questions/3581741/c-sharp-equivalent-to-javas-charat

Generating all permutations of a given string

http://stackoverflow.com/questions/4240080/generating-all-permutations-of-a-given-string

prefix else for int i 0 i n i permutation prefix str.charAt i str.substring 0 i str.substring i 1 n via Introduction to..

read/write to Windows Registry using Java

http://stackoverflow.com/questions/62289/read-write-to-windows-registry-using-java

byte str.length 1 for int i 0 i str.length i result i byte str.charAt i result str.length 0 return result I was unable to find and..

Fastest way to iterate over all the chars in a String

http://stackoverflow.com/questions/8894258/fastest-way-to-iterate-over-all-the-chars-in-a-string

really long string for int i 0 n str.length i n i char c str.charAt i Or this char chars str.toCharArray for int i 0 n chars.length..

Reverse String Word by Word in Java

http://stackoverflow.com/questions/9105277/reverse-string-word-by-word-in-java

1 String reverse temp for int i 0 i strLeng i temp str.charAt i if str.charAt i ' ' i strLeng for int j temp.length 1 j 0.. reverse temp for int i 0 i strLeng i temp str.charAt i if str.charAt i ' ' i strLeng for int j temp.length 1 j 0 j reverse temp.charAt.. int counter str.length 1 for int i str.length 1 i 0 i if str.charAt i ' ' i 0 if i 0 revStr.append str.substring i 1 end revStr.append..

Reversing a String - Recursion - Java

http://stackoverflow.com/questions/9723912/reversing-a-string-recursion-java

str str.length 1 return str return reverse str.substring 1 str.charAt 0 For instance when I reverse the word Hello I understand that.. be ello and then llo and then lo and o but when does the str.charAt 0 get called Won't the process end after it recursively finds.. The function takes the first character of a String str.charAt 0 puts it at the end and then calls itself reverse on the remainder..