Vector vector1 = new Vector(); for (int i = 0; i < 10;i++) {
vector1.addElement(new Integer(i)); //addElement accepts object or composite types
} //but not primitive types//enumerate vector1 using nextElement()
Enumeration e = vector1.elements();
textArea1.setText("The elements using Enumeration's nextElement():\n");
while (e.hasMoreElements()) {
textArea1.append(e.nextElement()+ " | ");
}
textArea1.append("\n\n");//enumerate using the elementAt() method
textArea1.append("The elements using Vector's elementAt():\n");
for (int i = 0; i < vector1.size();i++) {
textArea1.append(vector1.elementAt(i) + " | ");
}
textArea1.append("\n\n");//enumerate using the toString() method
textArea1.append("Here's the vector as a String:\n");
textArea1.append(vector1.toString());
vector1.addElement(new Integer(i)); //addElement accepts object or composite types
} //but not primitive types//enumerate vector1 using nextElement()
Enumeration e = vector1.elements();
textArea1.setText("The elements using Enumeration's nextElement():\n");
while (e.hasMoreElements()) {
textArea1.append(e.nextElement()+ " | ");
}
textArea1.append("\n\n");//enumerate using the elementAt() method
textArea1.append("The elements using Vector's elementAt():\n");
for (int i = 0; i < vector1.size();i++) {
textArea1.append(vector1.elementAt(i) + " | ");
}
textArea1.append("\n\n");//enumerate using the toString() method
textArea1.append("Here's the vector as a String:\n");
textArea1.append(vector1.toString());
解决方案 »
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