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Core Java is used to build and create general-purpose applications. It is known to be part of the Java Programming language and the pivotal part to build advanced Java applications.
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Java 8 Generics
Java 8 Stream
Multiple choice questions on classes and objects in java
Java 8 Collections
Java OOPs
String data handling
Streams API
String data handling
Exception handling
Synchronization
JDBC resultset operations
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Any statement that can throw an Exception must be enclosed in a try block.
Any statement that can throw an Error must be enclosed in a try block.
The Error class is a RuntimeException.
catch(X x) can catch subclasses of X where X is a subclass of Exception.
Answer:
catch(X x) can catch subclasses of X where X is a subclass of Exception.
the notify() must be called to wake up threads that have called wait() and notifyAll() must be called to wake up threads that have called join().
the notify() method can not be called if your class extends Thread class, it can only be called if your class implements the “Runnable” interface
the notify() method can only be called from inside a synchronized block or from a synchronized method
the notify() method informs the Java Virtual Machine that it has finished executing
Answer:
the notify() method can only be called from inside a synchronized block or from a synchronized method