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Java Primer Plus
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Java Primer Plus (Waite Group Proess)(1996).iso
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chapter17
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hashingfun.java
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1995-12-31
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import java.util.Hashtable;
/* hashing_fun class */
class hashing_fun {
static public void main(String args[]) {
/* create the new hash table */
Hashtable theTable = new Hashtable();
info_about person[] = new info_about[6];
/* this will be the tester object */
info_about X = new info_about("Pat");
/* populate some people */
person[0] = new info_about("Paul Tyma");
person[1] = new info_about("Gabriel Torok");
person[2] = new info_about("Billy Leach");
person[3] = new info_about("Patrick Doughty");
person[4] = new info_about("Troy Downing");
person[5] = new info_about("Yasha Dupa");
/* put the people on the hash table */
for (int g=0;g<6;++g) {
theTable.put(person[g],person[g]);
}
/* Find X */
info_about A = (info_about)theTable.get(X);
if (A == null) System.out.println("A is null");
else System.out.println(A.name);
}
}