Sachintha PunchihewaMethods Common to All ObjectsAlthough an object is a concrete class, it is designed primarily for an extension. All of its nonfinal methods like equals, hashCode…Dec 16, 2021Dec 16, 2021
Sachintha PunchihewaConcurrency ProgrammingMultitasking and parallel programmingNov 17, 2021Nov 17, 2021
Sachintha PunchihewaCollection and Generics IA collection is a group of objects.Oct 29, 2021Oct 29, 2021
Sachintha PunchihewaHow a HashSet checks for duplicates: hashCode() and equals()When you put an object into a HashSet, it uses the object’s hashcode value to determine where to put the object in the Set. But it also…Oct 27, 2021Oct 27, 2021
Sachintha PunchihewaSerialization — I/Oif you want your class to be serializable, implement Serializable interfaeOct 25, 2021Oct 25, 2021
Sachintha PunchihewaRisky Behavior ( Exception handling )What is an Exception in javaOct 25, 2021Oct 25, 2021