Let’s learn how do you calculate a percentage in java? Calculate percentage in java Calculate percentage of a student is one of the most common interview question. To calculate percentage of a student we have to divide obtained marks of student by total marks. Basically percentage is a number expressed as fraction of 100 and…

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Let’s learn what is bubble sort in java? Bubble sort in java Bubble sort is considered as simplest sorting algorithm for the fact that given array is traversed from first to last element. And while traversing, current element is compared with adjacent element and if current element is greater than the adjacent element, it is…

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Let’s learn how do I convert binary to decimal java? Java convert binary to decimal Binary to decimal in java is one of the common interview question. In the below example first user enters binary number using nextLine() method of Scanner class. This binary number is stored in String variable ‘strBinary’. Now this string variable…

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Let’s learn what is a binary search in java? Binary search in java Binary search is the process of searching key element from sorted array. Binary search algorithm java As you can see in the below image we have a sorted array of size 5. Now given an array, we have to find whether key…

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Let’s learn system arraycopy() method in java. System arraycopy() method in java Arraycopy method copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array. Using arraycopy() method subsequence array components are copied from source array referenced by source to the destination array referenced by…

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