Java has excellent support for reading from file and writing to file in Java. In last post we have seen how to create file and directory in Java and now we will see how to read content from file in java and how we will write text into file in Java. File provides persistent solution to Java developer; in almost every Java application you need to store some of the data in persistent may be its user configuration, system configuration or related to state of application but without persistence no enterprise Java application can buildup. Normally Database is preferred choice for storing data persistently but in high frequency trading one doesn’t have liberty to afford network latency to travel database and latency introduced by database itself, though database still offer best choice for historical data , transactional details related to orders and trades are commonly stored in In Memory files provided by Java.nio API.
Selasa, 06 Desember 2011
core java
How to read and write in text file in Java
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