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java Programming Glossary: system.setinJUnit: How to simulate System.in testing? http://stackoverflow.com/questions/1647907/junit-how-to-simulate-system-in-testing data Hello World r n InputStream stdin System.in try System.setIn new ByteArrayInputStream data.getBytes Scanner scanner new Scanner..
Eclipse reading stdin (System.in) from a file http://stackoverflow.com/questions/188547/eclipse-reading-stdin-system-in-from-a-file to do it but the redirect itself is only one line of code System.setIn new FileInputStream filename See System.setIn . EDIT For redirecting.. line of code System.setIn new FileInputStream filename See System.setIn . EDIT For redirecting in Eclipse's config this post is the..
java: “final” System.out, System.in and System.err? http://stackoverflow.com/questions/5951464/java-final-system-out-system-in-and-system-err reasons must be allowed to be changed by the methods System.setIn System.setOut and System.setErr . We refer to these fields as..
JUnit testing with simulated user input http://stackoverflow.com/questions/6415728/junit-testing-with-simulated-user-input You can replace System.in with you own stream by calling System.setIn InputStream in . Input stream can be byte array ByteArrayInputStream.. in new ByteArrayInputStream My string .getBytes System.setIn in do your thing optionally reset System.in to its original..
show data on a JTextArea instead of console http://stackoverflow.com/questions/9680318/show-data-on-a-jtextarea-instead-of-console to redirect your keystrokes to the the System.in using System.setIn . Again in the example below I've used pipes to get a nicer.. 2. set the System.in and System.out streams System.setIn inPipe System.setOut new PrintStream new PipedOutputStream outPipe..
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