What happens when an exception is thrown inside a try block and no matching catch block is found in the current method?
Option B is correct. If no matching catch handler is found, the exception propagates up the call stack. If unhandled at main(), the thread terminates with an unhandled exception stack trace.
Which Java class is the superclass of all Exception and Error classes in Java Exception Hierarchy?
Option C is correct. Throwable is the superclass of all errors and exceptions in Java. Only instances of Throwable (or its subclasses) can be thrown by the JVM or throw statement.
Which type of exceptions in Java are NOT checked at compile time and inherit directly or indirectly from java.lang.RuntimeException?
Option A is correct. Unchecked exceptions (subclasses of RuntimeException and Error) do not need to be declared in a method's throws clause or caught explicitly.
In Java NIO.2 (java.nio.file), which interface represents a programmatic path in the file system for locate-and-access file operations?
Option A is correct. java.nio.file.Path represents a hierarchical path to a file or directory, replacing legacy java.io.File with improved NIO operations.
Which method in java.lang.Thread causes the currently executing thread to pause execution for a specified period in milliseconds?
Option C is correct. Thread.sleep(long millis) pauses execution without releasing monitor locks. Object.wait() releases the monitor lock and waits until notified.