I have previously blogged on how Groovy and ActionScript provide demonstrations of switching on Strings functionality that has not been available in Java. JDK 7 changes this for Java by ...

Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static ...

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String[ ] – An array of configuration parameters to be used by the application can be passed into the main function as arguments. args – The configuration parameters passed into the main function in ...

To complete the use case, you must convert this one-character String into a single Java char with the charAt(0) method. Java Scanner char input code example. The code to get Scanner input one char at ...