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Java Captain

Apr 29, 2025 · Fundamentals

How to Directly Output Arrays, Traverse Strings, and Read Keyboard Input in Java

This article demonstrates how to print an int array using Arrays.toString, presents two methods for iterating over a string—via toCharArray and charAt—and explains proper usage of Scanner methods to read tokens, lines, and integers from the console, including handling of newline characters.

JavaProgramming BasicsScanner

0 likes · 3 min read

How to Directly Output Arrays, Traverse Strings, and Read Keyboard Input in Java

DevOps Cloud Academy

Feb 24, 2021 · Operations

Integrating SonarQube Code Scanning with GitLab Commit Status

This guide explains how to install SonarQube and Sonar‑scanner, configure scanning parameters, add the Sonar‑GitLab plugin, and use additional properties to link scan results to GitLab commit statuses, enabling pipeline‑based merge request control.

Code ScanningGitLabScanner

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Integrating SonarQube Code Scanning with GitLab Commit Status

Java Captain

Nov 27, 2017 · Backend Development

Efficiently Reading Large Files in Java without Exhausting Memory

This tutorial demonstrates how to efficiently read large files in Java by avoiding loading all lines into memory, comparing in‑memory approaches with streaming techniques using Scanner and Apache Commons IO, and showing memory usage metrics for each method.

Apache Commons IOFile I/OJava

0 likes · 5 min read

Efficiently Reading Large Files in Java without Exhausting Memory