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java

Assume that command is a variable of type String. Write a statement that throws an Exception with a message “null command” if command is null and that throws an Exception with a message “empty command” if command equals the empty string.

java

Assume that command is a variable of type String. Write a statement that throws an Exception with a message “null command” if command is null and that throws an Exception with a message “empty command” if command equals the empty string.