Java

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.

In Java, the StringUtils.isNumeric() accepts a string as a parameter and checks if the input string contains all Unicode digits. If yes, it retrieves true.

In Java, different methods like “brute force”, “retainAll()”, and “Sets.intersection()” are used to calculate the intersection of two sets.

To create a Rock Paper Scissors Game in Java, use the Scanner class to get the user’s move and the Random class to generate the computer’s move.