Which Scanner class method reads a string?
nextLine()
Input Types
Method | Description |
---|---|
nextInt() | Reads a int value from the user |
nextLine() | Reads a String value from the user |
nextLong() | Reads a long value from the user |
nextShort() | Reads a short value from the user |
Can you use a Scanner on a string Java?
The Java Scanner class is widely used to parse text for strings and primitive types using a regular expression. It is the simplest way to get input in Java. By the help of Scanner in Java, we can get input from the user in primitive types such as int, long, double, byte, float, short, etc.
What is the Scanner class for string in Java?
Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings. It is the easiest way to read input in a Java program, though not very efficient if you want an input method for scenarios where time is a constraint like in competitive programming.
What are the methods in Scanner class in Java?
Java Scanner Methods to Take Input
Method | Description |
---|---|
nextInt() | reads an int value from the user |
nextFloat() | reads a float value form the user |
nextBoolean() | reads a boolean value from the user |
nextLine() | reads a line of text from the user |
How do you scan a line in Java?
Example 1
- import java.util.*;
- public class ScannerNextLineExample1 {
- public static void main(String args[]){
- Scanner scan = new Scanner(System.in);
- System.out.print(“Enter Item ID: “);
- String itemID = scan.nextLine();
- System.out.print(“Enter Item price: “);
- String priceStr = scan.nextLine();
How many methods are there in a scanner class?
5) Java Scanner Class Methods
Method | Scanner in Java Syntax |
---|---|
nextDouble() | Scanner.nextDouble() |
nextFloat() | Scanner.nextFloat() |
nextInt() | Scanner.nextInt() Scanner.nextInt(int radix) |
nextLine() | Scanner.nextLine() |
What is string method in java?
All String Methods
Method | Description | Return Type |
---|---|---|
hashCode() | Returns the hash code of a string | int |
indexOf() | Returns the position of the first found occurrence of specified characters in a string | int |
intern() | Returns the canonical representation for the string object | String |
isEmpty() | Checks whether a string is empty or not | boolean |