Organized according to <java program performance optimization>
The splitting and searching of strings are very common in daily coding. The split() function is the most commonly used, but there are also some better choices. Let me compare them one by one:
The above is the commonly used split() function, you can see the time display at the bottom.
The following is a special tool class provided by jdk for processing substrings of strings. You can see that the execution time is significantly better than the split() function. Even in this code, StringTokenizer objects are constantly created and destroyed.
