class switch { public static void main(String[] args) { int a = 10, b = 20, ch; System.out.print("Enter User Choice..!\n"); Scanner r = new Scanner(System.in); ch = r.nextInt(); switch (ch) { case 1: System.out.print("Sum + (a + b)); break; case 2: System.out.print("Sub + (a - b)); break; case 3: System.out.print("Multi + (a * b)); break; case 4: System.out.print("Div + (a / b)); break; default: System.out.print("Invalid Choice.."); } }
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