Java: Get a number from the user and print whether it is positive or negative number

Last update on April 10 2025 05:38:07 (UTC/GMT +8 hours)

Check Positive or Negative Number

Write a Java program to get a number from the user and print whether it is positive or negative.

Test Data
Input number: 35

Pictorial Presentation:

Sample Solution:

Java Code:

import java.util.Scanner;
public class Exercise1 {

    
  public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        System.out.print("Input number: ");
        int input = in.nextInt();

        if (input > 0)
        {
            System.out.println("Number is positive");
        }
        else if (input < 0)
        {
            System.out.println("Number is negative");
        }
        else
        {
            System.out.println("Number is zero");
        }
    }
}

Sample Output:

Input number: 35                                                                                              
Number is positive 

Flowchart:

For more Practice: Solve these Related Problems:

• Write a Java program to determine the sign of an integer using bitwise operations instead of conditional statements.
• Write a Java program to check if every number in an array is positive and print a summary message.
• Write a Java program to use Math.signum() on a user-input number and handle non-numeric input gracefully.
• Write a Java program to evaluate the sign of an integer by converting it to a string and analyzing its first character.

Java Code Editor:

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