Java program to convert degrees to radians
Introduction
Write a Java program to convert degrees to radians and vice versa. We can convert degrees to radians by multiplying with the conversion factor:
Mathematical Formulas
Radians = Degrees *
Degrees = Radians*
Java Program to convert degrees to radians
import java.util.Scanner; /* * Java Demo program to convert degrees to radians * and vice versa. */ public class DegreesToRadiansDemo { //Main method public static void main(String[] args) { int menuChoice=1; Scanner keyboard=new Scanner(System.in); while(menuChoice!=3) { System.out.println("Program Menu"); System.out.println(".................................."); System.out.println("1.Convert Degrees to Radians"); System.out.println("2.Convert Radians to Degrees"); System.out.println("3.Quit the Program."); System.out.println(".................................."); System.out.print("Enter the menu choice :="); menuChoice = keyboard.nextInt(); if(menuChoice < 1 || menuChoice > 3) { System.out.println("Invalid Choice Please Try again"); continue; } if(menuChoice==1) { System.out.print("Enter Degrees to convert:="); double degrees=keyboard.nextDouble(); double radians=degrees*Math.PI/180; System.out.println("Degrees " + degrees + " = Radians " + radians); } if(menuChoice==2) { System.out.print("Enter Radians to convert:="); double radians=keyboard.nextDouble(); double degrees=radians*180/Math.PI; System.out.println("Radians " + radians + " = Degrees " + degrees); } if(menuChoice==3) { System.out.println("Program Exit -> Goodbye!"); } } } }
Sample Output
Program Menu
…………………………….
1.Convert Degrees to Radians
2.Convert Radians to Degrees
3.Quit the Program.
…………………………….
Enter the menu choice :=1
Enter Degrees to convert:=180
Degrees 180.0 = Radians 3.141592653589793
Program Menu
…………………………….
1.Convert Degrees to Radians
2.Convert Radians to Degrees
3.Quit the Program.
…………………………….
Enter the menu choice :=2
Enter Radians to convert:=1.57
Radians 1.57 = Degrees 89.95437383553926
Program Menu
…………………………….
1.Convert Degrees to Radians
2.Convert Radians to Degrees
3.Quit the Program.
…………………………….
Enter the menu choice :=4
Invalid Choice Please Try again
Program Menu
…………………………….
1.Convert Degrees to Radians
2.Convert Radians to Degrees
3.Quit the Program.
…………………………….
Enter the menu choice :=3
Program Exit -> Goodbye!
Screenshot
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