// Scott DeRuiter 9/22/2002 // Fourth.java // User inputs the coefficients for a fourth degree polynomial and an x value. // The function value is calculated and printed. // 7/15/2011 - Greenstein: Changed TextReader to Scanner, added import Math import java.util.Scanner; import java.lang.Math; public class Fourth { public static void main ( String [] args ) { int A, B, C, D, E; double x, result; Scanner pickitup = new Scanner ( System.in ); System.out.print ( "\n\nEnter the fourth degree coefficient -> " ); A = pickitup.nextInt ( ); System.out.print ( "\n\nEnter the cubic coefficient -> " ); B = pickitup.nextInt ( ); System.out.print ( "\n\nEnter the quadratic coefficient -> " ); C = pickitup.nextInt ( ); System.out.print ( "\n\nEnter the linear coefficient -> " ); D = pickitup.nextInt ( ); System.out.print ( "\n\nEnter the constant coefficient -> " ); E = pickitup.nextInt ( ); System.out.print ( "\n\nEnter the input value (x) -> " ); x = pickitup.nextDouble ( ); result = (double)A * Math.pow ( x, 4 ) + (double)B * Math.pow ( x, 3 ) + (double)C * Math.pow ( x, 2 ) + (double)D * x + E; System.out.println ( A + "x^4 + " + B + "x^3 + " + C + "x^2 + " + D + "x + " + E + " = " + result ); System.out.println ( "when x = " + x ); } }