Course Content

  • Sum_Of_Elements_In_Array_Demo
  • Reverse_String_Demo

Course Content


In Java, an array is a dynamically constructed object that serves as a container for a fixed number of values of the same type. When you declare an array, you're allocating memory for values of a specific kind. The length of the array must be provided at the time of construction and remains constant.

Arrays are incredibly powerful data structures for storing similar components. When you build an array, the type of items and the size of the array are fixed and defined. Memory is allocated as soon as the array is constructed, and it remains empty until the values are assigned.

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