07/08/09 12:47:15
>>252
public class ABC {
//private java.util.ArrayList list = new java.util.ArrayList();
//public void add(String data) { list.add(data); }
//public void set(int index, String data) { list.set(index, data); }
//public String get(int index) { return (String)list.get(index); }
//public void clear() { list.clear(); }
private String[] list = new String[1];
private int size = 0;
public void add(String data) { if (size >= list.length) { String[] t = new String[list.length * 2]; System.arraycopy(list, 0, t, 0, list.length); list = t; } list[size++] = data; }
public void set(int index, String data) { if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); list[index] = data; }
public String get(int index) { if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); return list[index]; }
public void clear() { for (int i = 0; i < size; i++) list[i] = null; size = 0; }
}
public class ABC_exec {
public static void main(String[] args) {
ABC abc = new ABC();
abc.add("aaa");
abc.add("bbb");
abc.add("ccc");
abc.add("dd");
for (int i = 0; i < 4; i++) System.out.println(abc.get(i));
abc.clear();
java.text.DecimalFormat format = new java.text.DecimalFormat("ee000");
for (int i = 1; i <= 100; i++) abc.add(format.format(i));
System.out.println(abc.get(76 - 1));
}
}