Explanation: Total number of unique elements are 3, i.e[1,2,3] and Therefore return 3 after assigning [1,2,3] in the beginning of the array. Explanation: Total number of unique elements are 4, i.e[1,2 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...

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A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

Abstract: The Eclipse Java debugger uses an indented list to view arrays at runtime. This visualization provides limited insight into the array. Also, it is cumbersome and time-consuming to search for ...

I came across to the many questions asking about to store some kind data in Shared-preferences such as String[] array. Many of these questions are answered with "Use a database". But here i will show ...