Mixed

How do you ask a user to input a number in Java?

How do you ask a user to input a number in Java?

Example of integer input from user

  1. import java.util.*;
  2. class UserInputDemo.
  3. {
  4. public static void main(String[] args)
  5. {
  6. Scanner sc= new Scanner(System.in); //System.in is a standard input stream.
  7. System.out.print(“Enter first number- “);
  8. int a= sc.nextInt();

How do you accept a list of numbers in Java?

ArrayInputExample1.java

  1. import java.util.Scanner;
  2. public class ArrayInputExample1.
  3. {
  4. public static void main(String[] args)
  5. {
  6. int n;
  7. Scanner sc=new Scanner(System.in);
  8. System.out.print(“Enter the number of elements you want to store: “);

How do you check if a number is in a range in Python?

To check if given number is in a range, use Python if statement with in keyword as shown below. number in range() expression returns a boolean value: True if number is present in the range(), False if number is not present in the range. You can also check the other way around using not to the existing syntax.

How do you input a list in Java?

Java List Example

  1. import java.util.*;
  2. public class ListExample1{
  3. public static void main(String args[]){
  4. //Creating a List.
  5. List list=new ArrayList();
  6. //Adding elements in the List.
  7. list.add(“Mango”);
  8. list.add(“Apple”);
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How do you declare a list in Java?

Below are the following ways to initialize a list:

  1. Using List.add() method. Since list is an interface, one can’t directly instantiate it.
  2. Using Arrays. asList()
  3. Using Collections class methods. There are various methods in Collections class that can be used to instantiate a list.
  4. Using Java 8 Stream.
  5. Using Java 9 List.

How do you input a range in Python?

How to use range() function

  1. Pass start and stop values to range() For example, range(0, 6) . Here, start=0 and stop = 6 .
  2. Pass the step value to range() The step Specify the increment.
  3. Use for loop to access each number. Use for loop to iterate and access a sequence of numbers returned by a range() .