exceptional handling in java
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exceptional handling in java
Exceptions in Java are events that disrupt the normal flow of a program. They are objects representing errors or unexpected conditions. The Throwable class is the root, with two main subclasses: Exception (checked and un...
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Write a Java program to demonstrate the use of try-with-resources for file handling.
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Use try (BufferedReader br = new BufferedReader(new FileReader(path))) to read a file; resources auto-close.
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Write a program to create a custom exception and use it in a method.
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Define a class MyException extends Exception, then throw it in a method and catch it in the caller.
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Explain the importance of exception handling in Java with a real-world example.
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Exception handling prevents abnormal termination, allowing graceful error recovery; e.g., handling file-not-found in a file reader.
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Explain the exception propagation mechanism in Java with an example.
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An exception thrown in a method is passed up the call stack until a catch block handles it; if none, the program terminates.
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