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Tag Archives: list

ArrayList in Java

ArrayList class implements List interface and it is based on Array data structure. It is widely used because of the functionality and flexibility that it offers. Most of the developers choose ArrayList instead of Array as it is considered as ...

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Combine two lists in Groovy

Combination or concatenation of two or multiple lists are believed to appear quite frequently in programming. This article aims to show you how to union two lists in Groovy in different ways. Combine lists with addAll The [crayon-5c0f378a8ff96061100534-i/]  method appends all ...

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Array, List, etc. with String Indices

(Tiếng Việt) Trong lập trình, chúng ta cũng hay gặp nhiều trường hợp phải tạo một danh mục mà index của nó là các chuỗi kí tự. Có một khái niệm để mô tả loại đối tượng này, thường gọi là HashMap hay HashTable.

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Counting how many times each string appears in a list

To count how many times a word appearing in a list of words, we can do as follows:

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