latest interview questions on core java in java

No, it is not the main method in which you define variables. Global variables is not possible because concept of encapsulation is eliminated here. In Java, the concept of global variables, as traditionally understood in some other programming languages like C, doesn’t directly apply. In Java, variables are typically declared within a class, method, or … Read more

Daemon thread is a low priority thread which runs intermittently in the back ground doing the garbage collection operation for the java runtime system. setDaemon method is used to create a daemon thread. In Java, a daemon thread is a thread that runs in the background and provides services to user threads or performs tasks … Read more

When two threads are waiting each other and can’t precede the program is said to be deadlock. In the context of Core Java, a deadlock refers to a situation where two or more threads are blocked forever, each waiting for the other to release a lock. Deadlocks can occur in multithreaded programs when there is … Read more

?– When you expect your code will be accessed by different threads and these threads may change a particular data causing data corruption. In Java, synchronization is used to control access to shared resources or critical sections of code by multiple threads. When you synchronize a piece of your code, it means that you are … Read more

Synchronization is the mechanism that ensures that only one thread is accessed the resources at a time. In the context of Core Java, synchronization refers to the coordination of multiple threads to ensure orderly and controlled access to shared resources. When multiple threads are executing concurrently, synchronization becomes crucial to prevent data corruption or inconsistent … Read more