note

☕【21日で学ぶJava】第一週総復習！基本からオブジェクト指向まで ...

この記事の要約: Java学習の第一歩を踏み出したIT初心者の皆さんへ。この記事では、「Teach Yourself JAVA in 21 Days」の第一週（Day 1～Day 7）で学んだJavaのコア概念を徹底的に復習します。オブジェクト指向の基礎、変数、演算子、配列、条件分岐、ループ ...
GitHub

Matrix_Find_rectangle_with_corners_as_1.java

* https://www.geeksforgeeks.org/problems/find-rectangle-with-corners-as-1--141631/1 * # Find rectangle with corners as 1 * Q. Given an n x m binary matrix mat ...
Ars Technica

Java Swing - show chosen rectangle

I'm learning Java by writing a Mandelbrot program. I can draw the image, then use the mouse to choose an area to magnify. Works great, except... When I choose the area to magnify (mouse down, move ...
InfoWorld

Interfaces in Java

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...