Question

what is the difference between input using scanner and method parameters plz tell fast ​

Answer 1

Answer:

Scanner class is a prewritten class in java.util package and scanner methods are the functions written in scanner class which can be used by using object reference of Scanner class.

Example:

Scanner sc = new Scanner(System.in);

// String input

String name = sc.nextLine();

some of the scanner methods are below;

public String nextLine()

it moves the scanner position to the next line and returns the value as a string.

public byte nextByte()

it scans the next token as a byte.

public short nextShort()

it scans the next token as a short value.

public int nextInt()

it scans the next token as an int value.

public long nextLong()

it scans the next token as a long value.

public float nextFloat()

it scans the next token as a float value.

public double nextDouble()

it scans the next token as a double value.