课程: Java Algorithms

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Leverage built-in tools to generate custom data

Leverage built-in tools to generate custom data - Java教程

课程: Java Algorithms

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Leverage built-in tools to generate custom data

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- [Instructor] Reversing a string is a pretty common operation in programming and there are several ways to do it in Java. With the previous algorithm, we did it with a more bare bones approach where we iterated through each character and built our new string one character at a time. Another way we can reverse the string is by converting our data into a data type that has a built-in reverse method. In fact, the string builder class has a built-in reverse function. Let's create a string builder with the input string. To reverse the string, we can use the reverse function. This reverses the string. Now we can convert the string builder back into a string and return it from the function. When starting your software development journey, sometimes it can feel like you're cheating by using the functions built into the language or into the standard library. This is not cheating. Software engineering is all about using the best tools for the job to create the most accurate output through the…

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