Equation2

# Equation2 - else { if (a != 0) { if (a==-1)...

This preview shows pages 1–2. Sign up to view the full content.

//******************************************************************** // Equation2.java Authors: Lewis and Loftus // // Solution to Programming Project 9.9 // // Encapsulates the equation used in EquationFrame.java and // ViewportPanel.java // // Represents the equation a*x^2 + b*x + c //******************************************************************** / public class Equation2 { int a; int b; int c; final String SQUARED = "\u00B2"; public Equation2() { a = b = c = 0; } public Equation2(int aValue, int bValue, int cValue) { a = aValue; b = bValue; c = cValue; } public float computeValue(float x) { return a*x*x + b*x + c; } public String toString() { StringBuffer equation = new StringBuffer(); equation.append("0");

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: else { if (a != 0) { if (a==-1) equation.append("-"); else if (a!=1) equation.append(a); equation.append( "x" + SQUARED); } if (b != 0) { if (b < 0) { if (a==0) equation.append("-"); else equation.append(" - "); b = -b; } else equation.append(" + "); if (b!=1 && b!= -1) equation.append(b); equation.append("x"); } if (c != 0) { if (c < 0) { if (a!=0 || b!=0) equation.append(" - "); else equation.append("-"); c = -c; } else equation.append(" + "); equation.append(c); } } // erase leading + if (equation.length() > 2) { char ch = equation.charAt(1); if (ch=='+') { equation.deleteCharAt(0); equation.deleteCharAt(0); } } return equation.toString(); } }...
View Full Document

## This note was uploaded on 05/17/2011 for the course COP 3530 taught by Professor Davis during the Spring '08 term at University of Florida.

### Page1 / 2

Equation2 - else { if (a != 0) { if (a==-1)...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online