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Using custom open-source classes, you will write programs that access and transform images, websites, and other types of data. Write a Java method to solve a specific problem; 6.At the end of the course you will build a program that determines the popularity of different baby names in the US over time by analyzing comma separated value (CSV) files. Develop a set of test cases as part of developing a program; 7.
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Along with array, binary tree, and linked list data structures, the string is another popular topic on programming job interviews.
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Using this library will empower you to solve problems that could prove too complex to solve with a spreadsheet.
By the end of this module, you will be able to: (1) Use the open-source Apache Commons CSV package in your own Java programs; (2) Access data from one or many CSV files using Java; (3) Convert strings into numbers; (4) Understand how to use “null” in Java programs (when you want to represent “nothing”); (5) Devise an algorithm (and implement in Java) to answer questions about CSV data; and (6) Analyze CSV data across multiple CSV files (for example, find maximums, minimums, averages, and other simple statistical results).
After completing this course you will be able to: 1. Create a class with multiple methods that work together to solve a problem; and 8.
Use divide-and-conquer design techniques for a program that uses multiple methods.
A common format for storing tabular data (any data organized into columns and rows) is in comma separated values (CSV) files.
In this module, you will learn how to analyze and manipulate data from multiple CSV data files using a powerful open-source software package: Apache Commons CSV.