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javatutorialtwo.java
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javatutorialtwo.java
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import java.util.Scanner; // this helps with user input
public class javatutorialtwo{
// create a new scanner object called userInput
// by calling new and passing the Scanner constructor the scanner object is created
static Scanner userInput = new Scanner(System.in);
public static void main(String [] args){
System.out.print("your number: ");
if (userInput.hasNextInt()){ // if statement
int numberEntered = userInput.nextInt();
System.out.println("you entered:" + numberEntered);
// simple maths code below
int numEnteredTimes3 = numberEntered + numberEntered + numberEntered; // declare int variable, addition operator
System.out.println(numberEntered + " + " + numberEntered + " + " + numberEntered + " = " + numEnteredTimes3);
int numEnteredMinus3 = numberEntered - 3;
System.out.println(numberEntered + " - 3 = " + numEnteredMinus3);
int numResult = numEnteredTimes3 - numEnteredMinus3;
System.out.println(numEnteredTimes3 + " - " + numEnteredMinus3 + " = " + numResult);
int numEnteredABS = Math.abs(numberEntered); // this returns the absolute value of the integer entered
int numCeiling = (int) Math.ceil (4.89); //this will round up to the nearest whole number
System.out.println (numEnteredABS + " " +" is the ABS");
int randomNumber = (int) (Math.random() * 26); // this will return a random number between 0 and 25
System.out.println(randomNumber + " is the Random Number");
} else {
// else statement if anything but an integer is used by the user
System.out.println("you need to input an integer");
}
}
}