Scanner objects - PowerPoint PPT Presentation

File Handling in Java

File Handling in Java. Objectives. In this lecture, we will: learn how to read data from a file learn how to write data to a file discuss the structure of a program which uses files. Why use files?. In all the programs we have written so far, any data we need has been either

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Using java’s Scanner class

Using java’s Scanner class. To read from input and from a file. (horstmann ch04 and ch 17). Reminder: Scanner objects. public Scanner(String x) Constructs a new scanner object and gives it a String to scan. The newly created object will return words (or other tokens) out of that string.

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404 views • 7 slides

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