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A phased array antenna (PAA) with wide beam scanning range (BSR) composed of fully metallic lens antenna subarrays is proposed. Each subarray is designed based on a partial Maxwell fish-eye (PMFE) ...

In this blog we will understand about Vector Class in Collection Framework. We use vector class to facilitate the growable nature of collection of objects. Like array we can access any member of the ...

Given an array of length N and an integer x, you need to find and return the first index of integer x present in the array. Return -1 if it is not present in the array. First index means, the index of ...

Here are the most important concepts developers must know when they size Java arrays and deal with a Java array’s length: The theoretical maximum Java array size is 2,147,483,647 elements.