Module 4: Scanner

1. What is a Scanner in Java? Scanner is a class in "Java. util" package that is used to read input. (System.in) → user input Different data types: nextInt()

Common Methods in Scanner

nextInt() → reads integer

nextDouble() → reads decimal numbers

nextLine() → reads a full line of text

next() → reads single word

hasNextInt(), hasNextLine() → check before reading