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1. What is the difference between throwing an exception and catching an exception?
2. How does a method declare that it can throw an exception? How does it actually throw an exception? Use Java code to illustrate your answer. 3. Explain the difference between a checked exception and an unchecked exception. 4. What happens if an exception does not have a matching catch block? 5. What can a catch block do with the exception object that it receives? 6. What is the purpose of the finally block? 7. What is the difference between text I/O and binary I/O? 8. What happens if you try to create a FileInputStream on a file that does not exist? 9. What happens if you try to create a FileOutputStream on a file that does not exist?
10. What are BufferedInput/OutputStreams and why are they used? Write some Java code to illustrate how to create a BufferedInputStream. 11. Write the line of code you would need to open the file c:\temp\mydata.txt for reading primitive data values from the file such as doubles, floats, ints, etc. 12. Write lines of code to create object input and output streams for the file c:\temp\mydata.out. 13. What is the difference between sequential access and random access?
Consider the following maze environment. Write a Java program to solve the following questions. Assuming the known transition model and reward function listed above, find the
se the information in the web article Effective Code Reviews Without the Pain for methods and best practices for conducting a code review, and tips for conducting the review
Write a class encapsulating a PC-based game, which inherits from Game. A PC-bases game has the following additional attributes: the minimum megabytes of RAM needed to play the
The user will enter a Drexel course code. The course code beings with two capital letters, followed by an optional hyphen, followed by 3 digits, and followed by an optional
Implement a class named Friend which extends the Contact class. The Friend class should have a field that represents the friend's birthday. For simplicity, the birthdate can
Name game (8 points). Match the following names with an associated phrase. Use each letter once and only once. A. Steve Cook _______ Incompleteness B. Alan Turing _______ Re
Add the Second Label and a ComboBox Object Drag another label onto the Form object and name the label lblConversion. Enter the text for this label as Conversion Currency.
show the DFS order of vertices in the graph, and for each node, specify its parent node in the search (the node from which the currect node was reached). Moreover, display for
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