Element


1   package JSci.chemistry;
2   
3   /**
4   * A class representing chemical elements.
5   * To obtain an instance of Element, use the {@link PeriodicTable#getElement(String) PeriodicTable.getElement} method.
6   * @version 1.6
7   * @author Mark Hale
8   */
9   public class Element extends Object   implements java.io.Serializable   {
10          private String   name;
11          private String   symbol;
12          private int atomicNumber;
13          private int massNumber;
14          private double electronegativity;
15          private double covalentRadius;
16          private double atomicRadius;
17          private double meltingPoint;
18          private double boilingPoint;
19          private double density;
20          private double specificHeat;
21          private double electricalConductivity;
22          private double thermalConductivity;
23          /**
24          * Constructs an element.
25          * @param title name of element.
26          * @param label symbol for element.
27          */
28          public Element(String   title,String   label) {
29                  name=title;
30                  symbol=label;
31          }
32          /**
33          * Returns the name.
34          */
35          public String   getName() {
36                  return name;
37          }
38          /**
39          * Returns the atomic number.
40          */
41          public int getAtomicNumber() {
42                  return atomicNumber;
43          }
44          protected void setAtomicNumber(int z) {
45                  atomicNumber=z;
46          }
47          /**
48          * Returns the mass number.
49          */
50          public int getMassNumber() {
51                  return massNumber;
52          }
53          protected void setMassNumber(int m) {
54                  massNumber=m;
55          }
56          /**
57          * Returns the electronegativity.
58          */
59          public double getElectronegativity() {
60                  return electronegativity;
61          }
62          protected void setElectronegativity(double en) {
63                  electronegativity=en;
64          }
65          /**
66          * Returns the covalent radius.
67          */
68          public double getCovalentRadius() {
69                  return covalentRadius;
70          }
71          protected void setCovalentRadius(double covRadius) {
72                  covalentRadius=covRadius;
73          }
74          /**
75          * Returns the atomic radius.
76          */
77          public double getAtomicRadius() {
78                  return atomicRadius;
79          }
80          protected void setAtomicRadius(double atomRadius) {
81                  atomicRadius=atomRadius;
82          }
83          /**
84          * Returns the melting point (K).
85          */
86          public double getMeltingPoint() {
87                  return meltingPoint;
88          }
89          protected void setMeltingPoint(double melt) {
90                  meltingPoint=melt;
91          }
92          /**
93          * Returns the boiling point (K).
94          */
95          public double getBoilingPoint() {
96                  return boilingPoint;
97          }
98          protected void setBoilingPoint(double boil) {
99                  boilingPoint=boil;
100         }
101         /**
102         * Returns the density (293K).
103         */
104         public double getDensity() {
105                 return density;
106         }
107         protected void setDensity(double rho) {
108                 density=rho;
109         }
110         /**
111         * Returns the specific heat.
112         */
113         public double getSpecificHeat() {
114                 return specificHeat;
115         }
116         protected void setSpecificHeat(double heat) {
117                 specificHeat=heat;
118         }
119         /**
120         * Returns the electrical conductivity.
121         */
122         public double getElectricalConductivity() {
123                 return electricalConductivity;
124         }
125         protected void setElectricalConductivity(double elect) {
126                 electricalConductivity=elect;
127         }
128         /**
129         * Returns the thermal conductivity.
130         */
131         public double getThermalConductivity() {
132                 return thermalConductivity;
133         }
134         protected void setThermalConductivity(double therm) {
135                 thermalConductivity=therm;
136         }
137         /**
138         * Compares two elements for equality.
139         * @param e an element.
140         */
141         public boolean equals(Object   e) {
142                 return (e!=null) && (e instanceof Element) &&
143                         (atomicNumber==((Element)e).atomicNumber) &&
144                         (massNumber==((Element)e).massNumber);
145         }
146     public int hashCode() {
147         return 37*(37*(37*17+atomicNumber)+massNumber);
148     }
149         /**
150         * Returns the chemical symbol.
151         */
152         public String   toString() {
153                 return symbol;
154         }
155 }
156 
157
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags