java 13 interview questions and answers

Integer / and % can result in the throwing of an ArithmeticException. In Core Java, the arithmetic operations that can result in the throwing of an ArithmeticException include: Division by zero: If you attempt to divide a number by zero, it will result in an ArithmeticException. For example: java int result = 5 / 0; // This will throw an … Read more

A layout manager is an object that is used to organize components in a container. In Core Java, a layout manager is an object that is used to organize and control the placement of graphical components (such as buttons, text fields, and labels) within a container (such as a JFrame or JPanel). The layout manager … Read more

An uncaught exception results in the uncaughtException() method of the thread’s ThreadGroup being invoked, which eventually results in the termination of the program in which it is thrown. In Java, if an exception is not caught (handled) by an appropriate exception handler, it will propagate up the call stack. This process is known as “propagation of exceptions.” Here’s what … Read more

A dead thread cannot be restarted. In Java, once a thread has completed its execution and reaches the end of its run method or the thread’s run method terminates, the thread is considered dead and cannot be restarted. If you need to perform a task again, you would typically create a new instance of the … Read more

Overridden methods must have the same name, argument list, and return type. The overriding method may not limit the access of the method it overrides. The overriding method may not throw any exceptions that may not be thrown by the overridden method. In Java, there are certain restrictions and rules placed on method overriding. Here … Read more