What exception is thrown when trying to deserialize an object that was serialized with a different serialVersionUID?
In a real-time application processing sensor data streams, which buffering approach would minimize latency?
Which class would you use to read and write at arbitrary positions in a file?
When processing a large XML file, which approach is most memory-efficient?
What is the default charset used by InputStreamReader if none is specified?
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In a multi-threaded application, which stream class is thread-safe?
Which method of PushbackInputStream allows you to return bytes to the stream to be read again?
For encrypting data while writing to a file, which approach is most appropriate?
What happens when you attempt to read from a closed InputStream?
In Java NIO, what is a key advantage of FileChannel over traditional I/O streams?
Which serialization approach maintains backward compatibility better?
For processing delimited text files with variable field counts, which class is most suitable?
What is the primary purpose of transient keyword in Java serialization?
In a file compression utility, which stream would you use for reading compressed data?
When combining multiple input sources into one logical stream, which class should be used?
For developing a high-performance file copying utility handling files up to 10GB, which approach is optimal?
Which class in Java is used to read primitive data types from a binary stream?
What is the output of the following code?
FileReader fr = new FileReader("test.txt");
int data = fr.read();
System.out.println(data);
Which interface must be implemented by a class to make its objects serializable?
What does the flush() method do in output streams?
