by spark databox | Feb 14, 2023 | Java
ArrayList class in java ArrayList is a class in Java that provides a dynamic array implementation. It allows for the dynamic resizing of the underlying array, insertion and removal of elements at any position, and provides various methods for accessing and...
by spark databox | Feb 9, 2023 | Java
Synchronization is a mechanism in Java that ensures that only one thread can access a shared resource at a time. It helps in avoiding race conditions, which can cause unpredictable and incorrect behavior in a multi-threaded environment. There are two ways to achieve...
by spark databox | Feb 6, 2023 | Java
Joining a thread To join a thread in Java, you can use the join() method provided by the Thread class. The join() method causes the current thread to wait until the thread it is joining has finished execution. In the example above, the main thread calls...
by spark databox | Feb 2, 2023 | Java
A thread’s life cycle can be divided into five states: New: The thread is in this state after it has been created and before it has been started. Ready: The thread is in this state and is waiting to be scheduled by the operating system. Running: The thread is in...
by spark databox | Jan 27, 2023 | Java
An array is a data structure in Java that is used to store a collection of elements. These elements can be of any data type, such as integers, strings, or objects. The size of an array is fixed when it is created, and all elements within the array must be of the same...
by spark databox | Jan 20, 2023 | Java
Access Modifier in java In Java, access modifiers are keywords that are used to control the access level of classes, methods, and variables. There are four types of access modifiers in Java: public: A class, method, or variable that is declared public can be accessed...
