Technical Interview Questions
It uses those low order bytes of the result that can fit into the size of the type allowed by the operation. In Java, integer overflows and underflows are handled using a concept called “wrap-around” or “modulo arithmetic.” Java uses two’s complement representation for integers, and when an overflow or underflow occurs, the value wraps … Read more
The List interface provides support for ordered collections of objects. The List interface in Java is a part of the Java Collections Framework and is located in the java.util package. It extends the Collection interface and represents an ordered collection of elements. Unlike sets, lists typically allow duplicate elements. Some key characteristics of the List interface include: … Read more
The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier. In Java, identifiers are names given to variables, classes, methods, etc. According to the Java naming conventions, the first character of an identifier must be a letter … Read more
The Collections API is a set of classes and interfaces that support operations on collections of objects. The Collections API in Java refers to the set of interfaces and classes provided by the Java Collections Framework (JCF) to represent and manipulate collections of objects. The Java Collections Framework is a set of classes and interfaces … Read more
When a thread terminates its processing, it enters the dead state. When a thread in Java terminates its processing, it enters the “Terminated” state. The thread goes through various states during its lifecycle, including: New: The thread is in this state when it has been instantiated but not yet started. Runnable: The thread is in … Read more