The Scanner class is used to get user input, and it is found in the java.util package. To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation.

Feb 3, 2020 · Once you've assigned the user input to a variable you can use it like any other variable and pass it into a method. public static void main(String[] args) { Scanner in = new Scanner(System.in); // read user input and assign to the 'num' variable. int num = in.nextInt(); // call the method we made and pass the num into it. myMethod(num);

Apr 22, 2025 · The most common way to take user input in Java is using the Scanner class. It is a part of java.util package. The scanner class can handle input from different places, like as we are typing at the console, reading from a file, or working with data streams. ... All methods in Java must belong to a class. Methods are similar to functions and ...

Mar 13, 2011 · You can get the user input using Scanner. You can use the proper input validation using proper methods for different data types like next() for String or nextInt() for Integer.

Jul 14, 2021 · User Input refers to the data that a user provides to a program for it to function appropriately. Specifically in Java, understanding how to take input in Java is a crucial skill for any developer. If you're wondering how to take input in java from user, three classes designed for this: BufferedReader , Scanner , and Console .

Apr 2, 2025 · How to take Input from user in Java: using Buffered Class. First, import the buggered reader class and input stream reader on your console. Now, you can easily take input from users using the BufferedReader class. Let us understand it …

Dec 20, 2024 · User input is an essential part of any interactive program. In Java, we use various classes and methods to read input from the user, whether it’s from the console, files, or other sources. Why is User Input Important? User input allows programs to …

Feb 14, 2025 · Learn how to capture user input in Java using Scanner, BufferedReader, Console, and DataInputStream. Discover the best method for building interactive Java applications.

In Java, user input is commonly taken using the Scanner class, which is part of the java.util package.

Feb 28, 2012 · Integer input = /* get it from user*/ 1; A aMethod = methodMap.get(input); aMethod.run(); No, not unless you use reflection. Java doesn't have function pointers, otherwise you could index to the appropriate function in an array. But what's wrong with if statements? They're more readable and secure..