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Java simple calculator :
We now have learnt how to take input from user and make arthematic operations by making use of variables.Now we will accept two numbers from user and process them according to operators.
First let’s deal with accepting numbers so for that declare two variables
public static int a; public static int b;
Now a result variable
public static int result;
Now accept first number
System.out.println("Enter first number");
Store to user input in variable a
a = scan.nextInt();
Same as first value do for second one
System.out.println("Enter second number"); b = scan.nextInt();
Calculator with addition functionality:
Scanner scan = new Scanner(System.in); System.out.println("Enter first number"); a = scan.nextInt(); System.out.println("Enter second number"); b = scan.nextInt(); result = a + b; System.out.println(result);
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