addElement是java.util.Vector.addElement(E obj)方法實例。將指定的組件添加到此向量的末尾,將其大小增加 1。如果向量的大小比容量大,則增大其容量。
此方法的功能與?add(E)?方法的功能完全相同(後者是?List?接口的壹部分)。
以下例子將告訴妳如何使用 java.util.Vector.addElement(E obj)方法:
package?yiibai.com;import?java.util.Vector;
public?class?VectorDemo?{
public?static?void?main(String[]?args)?{
//?create?an?empty?Vector?vec?with?an?initial?capacity?of?4? Vector<Integer>?vec?=?new?Vector&;ltInteger>(4); //?use?add()?method?to?add?elements?in?the?vector vec.add(4); vec.add(3); vec.add(2); vec.add(1); //?let?us?print?all?the?elements?available?in?vector System.out.println("Initial?elements?in?the?vector?:-?");? for?(Integer?number?:?vec)?{? System.out.println("Number?=?"?+?number); } //?add?new?element vec.addElement(12); //?let?us?print?all?the?elements?again?after?addition System.out.println("Elements?after?addition?:-?");? for?(Integer?number?:?vec)?{? System.out.println("Number?=?"?+?number); }}
}