Leetcode summary of solutions and tutorial notes. Java only. For self use. Categorized by topics. Each of the note includes my solution, tips and summary, and solutions provided by Leetcode. Some of ...

To prevent such mistakes, learn to distinguish between ... System.out.println(41 / 5); // prints 8 The % in Java is the modulus or remainder operator. It returns the remainder of the division of two ...

In order to use the Java classes, we must import the Java input/output package ... int ch = System.in.read() // reads in one byte, returns -1(end). It is important to note that the read process in ...

There are a lot of programming languages. I will introduce Java is one of them. I recommend that people who you want to know about programming languages learn Java. The reason I recommend you learn ...