In Java, class attributes are variables contained by a specific class. They represent the characteristics of a class and are also known as fields.
To create a method in Java, specify the access modifier, return type, and a valid name. To call a method, specify the method name followed by parenthesis and a semicolon.
The Java readLine() method reads one line of text from different input streams via various classes e.g., RandomAccessFile, Console class, etc.
To calculate the length of 2D arrays, use the “arrayname[i].length” syntax, which will return the length of each column per row as shown in this guide.
In Java, there are different techniques to print an array such as control flow statements. built-in methods, API, or interfaces as shown in this guide.
This article covers various methods to remove whitespaces in a string e.g., trim(), replaceAll(), isWhitespace(), normalizeSpace(), or custom logic, etc.
The String equalsIgnoreCase() is a built-in static method in Java that compares two strings while ignoring the letter case and returns a boolean output.
The floor() method in Java is a built-in static method of Math class that rounds down the value to a number that is equal to or less than the given value.