A part of the LineSI class from Section 5.6.1 is shown below. Identify necessary and unnecessary use
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A part of the LineSI class from Section 5.6.1 is shown below. Identify necessary and unnecessary use of the keyword this.
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public class LineSI { // data members private static final double DEFAULT_VALUE private double slope; private double intercept; // methods public void setSlope (double slope) { this.slope = slope; } public void setIntercept (double intercept) { this.intercept = intercept; } = 0.0; public void set Intercept (double intercept) { this.intercept = intercept; } public void setLine (double slope, double intercept) { // using set Slope and setIntercept methods this.setSlope (this.slope); this.setIntercept (this.intercept); } public void setLine (PointD pt1, PointD pt2) { // using first setLine method this.setLine ((pt2.getY ()-pt1.getY ()) / (pt2.getX ()-pt1.getX () ), ((pt2.getX() *pt1.getY()) (pt1.getX() *pt2.getY()))/(pt2.getX()-pt1.getX()));
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Related Book For
Guide To Java A Concise Introduction To Programming
ISBN: 978-3031228414
2nd Edition
Authors: James T. Streib, Takako Soma
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