![\"Dollar](\"https:\/\/www.testingdocs.com\/questions\/wp-content\/uploads\/Dollar-to-Rupee-Exchange-Rate.png\" "\\"\\"")
<\/p>\nIn this tutorial, we will write a java program to convert Dollar to Rupee and vice-versa. We will provide a program menu to the user.<\/p>\n
The dollar to the rupee exchange rate is taken as a constant in the program. In real-time, the exchange would vary from time to time.<\/p>\n
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Instructions to create a Java application, Java Package, Java Class on Eclipse IDE:<\/p>\n
https:\/\/www.testingdocs.com\/create-a-new-java-project-in-eclipse\/<\/a><\/p>\n https:\/\/www.testingdocs.com\/create-java-package-in-eclipse-ide\/<\/a><\/p>\n https:\/\/www.testingdocs.com\/create-a-new-java-class-in-a-project\/<\/a><\/p>\n https:\/\/www.testingdocs.com\/run-java-project-in-eclipse\/<\/a><\/p>\n <\/p>\n ———————————— <\/p>\n Notice that there are several digits displayed after the dot. We can round the value to display less number of digits.<\/p>\n\n
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Java Code Listing<\/h2>\n
package com.testingdocs.sample.Questions;\r\n\r\n\/*\r\n * Disclaimer: Exchange rate varies from time to time\r\n * www.TestingDocs.com\r\n * \r\n *\/\r\nimport java.util.Scanner;\r\n\r\npublic class DollarToRupeeConverter {\r\n \/\/dollar to rupee exchange rate\r\n public final static double EXCHANGE_RATE=75.17;\r\n public static void main(String[] args) {\r\n int menuChoice=1;\r\n Scanner keyboard=new Scanner(System.in);\r\n while(menuChoice !=3) {\r\n System.out.println(\" ------------------------------------ \");\r\n System.out.println(\" Program Menu --- www.TestingDocs.com \");\r\n System.out.println(\" ------------------------------------ \");\r\n\r\n System.out.println(\"1. Convert Dollars to Rupees?\");\r\n System.out.println(\"2. Convert Rupees to Dollars?\");\r\n System.out.println(\"3. Quit the Program.\");\r\n System.out.print(\"Enter your menu choice :=\");\r\n menuChoice = keyboard.nextInt();\r\n if(menuChoice < 1 || menuChoice > 3) {\r\n System.out.println(\"Invalid Choice. Please Try again\");\r\n continue;\r\n }\r\n if(menuChoice ==1) {\r\n System.out.print(\"Enter the dollars:=\");\r\n double dollars=keyboard.nextDouble();\r\n double rupees= dollars*EXCHANGE_RATE;\r\n System.out.println(\"Dollars \" + dollars + \" = Rupees \" + rupees );\r\n }\r\n if(menuChoice ==2) {\r\n System.out.print(\"Enter the rupees:=\");\r\n double rupees=keyboard.nextDouble();\r\n double dollars= rupees\/EXCHANGE_RATE;\r\n System.out.println(\"Rupees \" + rupees + \" = Dollars \" + dollars );\r\n }\r\n if(menuChoice ==3) {\r\n System.out.println(\"Have a nice day. GoodBye! \");\r\n }\r\n }\r\n }\r\n}\r\n<\/pre>\nSample Run Output<\/h3>\n
\nProgram Menu — www.TestingDocs.com
\n————————————
\n1.Convert Dollars to Rupees?
\n2.Convert Rupees to Dollars?
\n3.Quit the Program.
\nEnter your menu choice :=1
\nEnter the dollars:=2
\nDollars 2.0 = Rupees 150.34
\n————————————
\nProgram Menu — www.TestingDocs.com
\n————————————
\n1.Convert Dollars to Rupees?
\n2.Convert Rupees to Dollars?
\n3.Quit the Program.
\nEnter your menu choice :=2
\nEnter the rupees:=500
\nRupees 500.0 = Dollars 6.6515897299454565
\n————————————
\nProgram Menu — www.TestingDocs.com
\n————————————
\n1.Convert Dollars to Rupees?
\n2.Convert Rupees to Dollars?
\n3.Quit the Program.
\nEnter your menu choice :=4
\nInvalid Choice. Please Try again
\n————————————
\nProgram Menu — www.TestingDocs.com
\n————————————
\n1.Convert Dollars to Rupees?
\n2.Convert Rupees to Dollars?
\n3.Quit the Program.
\nEnter your menu choice :=3
\nHave a nice day. GoodBye!<\/p>\n
\n![\"Dollar](\"https:\/\/www.testingdocs.com\/questions\/wp-content\/uploads\/Dollar-to-Rupee-Program.png\" "\\"\\"")
<\/p>\n<\/h3>\n
Rounding the double<\/h3>\n