例如: import java.lang.System; import java.util.Vector; import java.util.Emumeration; public class Avector{ public static void main(String args[]){ Vector v=new Vector(); v.addElement("one"); v.addElement("two"); v.addElement("three"); v.insertElementAt("zero",0); v.insertElementAt("oop",3); v.setElementAt("three",3); v.setElementAt("four",4); v.removeAllElements(); } } Vector中的变化情况: 1. one 2. one 3. one 4. zero 5.zero 6. zero 7. zero 8. two two one one one one three two two two two three oop three three three three four那位大吓能指点根据上面的代码,Vector中的变化情况: 为何是这样的:小弟刚学的J2EE,请大吓指点,Vector中数据为何是下面的这种形式? 1. one 2. one 3. one 4. zero 5.zero 6. zero 7. zero 8. two two one one one one three two two two two three oop three three three three four
import java.lang.System;
import java.util.Vector;
import java.util.Emumeration;
public class Avector{
public static void main(String args[]){
Vector v=new Vector();
v.addElement("one");
v.addElement("two");
v.addElement("three");
v.insertElementAt("zero",0);
v.insertElementAt("oop",3);
v.setElementAt("three",3);
v.setElementAt("four",4);
v.removeAllElements();
}
}
Vector中的变化情况:
1. one 2. one 3. one 4. zero 5.zero 6. zero 7. zero
8.
two two one one one one
three two two two two
three oop three three
three three four那位大吓能指点根据上面的代码,Vector中的变化情况:
为何是这样的:小弟刚学的J2EE,请大吓指点,Vector中数据为何是下面的这种形式?
1. one 2. one 3. one 4. zero 5.zero 6. zero 7. zero
8.
two two one one one one
three two two two two
three oop three three
three three four