String constraint problems faced by program analysis tools are pervasive in programming, but datasets built specifically for real-world string constraints are rare. To understand the complexities of ...

We demonstrate a model, including operational semantics, for the reverse execution of stack-based code. We discuss our modification of the Kaffe implementation of the Java Virtual Machine, supporting ...

Java Solutions to problems on LintCode/LeetCode. Contribute to awangdev/leet-code development by creating an account on GitHub.

- 注意ending index: `i == str.length - 1`, 结尾点即使没有' '也要给reverse一下最后一个词 Given an input string, reverse the string word by word. A word is defined as a sequence of non-space characters. The input string ...