Scanner input = new Scanner(System.in);
System.out.print("Enter an integer: "); 
int v1 = input.nextInt(); 

Scanner input1 = new Scanner(System.in); // Bad Code
System.out.print("Enter a double value: "); 
double v2 = input1.nextDouble();

Scanner input = new Scanner(System.in);
System.out.print("Enter an integer: "); 
int v1 = input.nextInt(); 

System.out.print("Enter a double value: "); 
double v2 = input.nextDouble();