How to realize triangle class Triangle in JAVA

This article is about how to implement triangle class Triangle in JAVA. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Package triangletest;import java.util.*;public class TriangleTest {public static void main (String args []) {Scanner ss=new Scanner (System.in); System.out.println ("please input there sides and color of triangle"); double a=ss.nextDouble (); double b=ss.nextDouble (); double c=ss.nextDouble (); String co=ss.nextLine (); System.out.println ("please input a boolean date to indicate this object if be filled"); boolean k=ss.nextBoolean (); Triangle cs=new Triangle Cs.setFilled (k); System.out.println (cs.toString ()); System.out.println ("the area =" + cs.getArea ()); System.out.println ("the Perimeter =" + cs.getPerimeter ()); System.out.println ("the object filled is" + cs.isFilled ());}} class Triangle extends GeometricObject {double side1=1.0;double side2=1.0;double side3=1.0;public Triangle () {}; public Triangle (double side1,double side2,double side3) {this.side1=side1;this.side2=side2;this.side3=side3 } public double getSide1 () {return side1;} public double getSide2 () {return side2;} public double getSide3 () {return side3;} public double getArea () {double s = (side1+side2+side3) / 2X return Math.sqrt (s* (s-side1) * (s-side1) * (s-side1));} public double getPerimeter () {return side1+side2+side3;} public String toString () {return "Triangle: side1=" + side1+ "\ nside2=" + side2+ "\ nside3=" + side3;}} class GeometricObject {private String color;private boolean filled;private java.util.Date dateCreated Public GeometricObject () {}; public GeometricObject (String color,boolean filled) {this.color=color;this.filled=filled;} public String getColor () {return color;} public void setColor (String color) {this.color=color;} public boolean isFilled () {return filled;} public void setFilled (boolean filled) {this.filled=filled;} public java.util.Date getDateCreated () {return dateCreated;} public String toString () {return "this object's color is" + color+ "\ nthis object filled" + filled;}} Thank you for reading! This is the end of the article on "how to achieve triangular Triangle in JAVA". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it out for more people to see!