泛型的使用

ӥᶎ๶፡Ӟӻֺৼ᧔กဌํာࣳጱአဩ

1List arrayList = new ArrayList();

2arrayList.add("cxuan");

3arrayList.add(100);

4 5for(int i = 0; i< arrayList.size();i++){

ইຎ౯ժአာࣳᬰᤈදٟݸ҅ᐏֺդᎱইӥ

1List<String> arrayList = new ArrayList<String>();

2 3arrayList.add(100);

ᬯྦྷդᎱࣁᖫᦲ๗ᳵ੪տಸᲙ҅ᖫᦲ࢏տࣁᖫᦲᴤྦྷ੪ᚆड़ଆ౯ժݎሿᔄ֒ᬯ໏ጱᳯ̶᷌

ာࣳጱֵአ

ာࣳጱֵአํग़ᐿොୗ҅ӥᶎ౯ժ੪๶Ӟ᩸റᦎӞӥ̶

አာࣳᤒᐏᔄ

ာࣳݢզکےᔄӤᶎ҅๶ᤒᐏᬯӻᔄጱᔄࣳ

1//ྌ॒T ݢզᵋٟ׎ԅձ఺ຽᦩ҅ଉᥠጱইT̵E̵K̵Vᒵ୵ୗጱ݇හଉአԭᤒᐏာࣳ 2public class GenericDemo<T>{

3//value ᬯӻ౮ݒާᰁጱᔄࣳԅT,Tጱᔄࣳኧक़᮱೰ਧ 4private T value;

5 6public GenericDemo(T value) {

7this.value = value;

8} 9

10public T getValue(){ //ာࣳොဩgetKeyጱᬬࢧ꧊ᔄࣳԅT҅Tጱᔄࣳኧक़᮱೰ਧ 11return value;

12}

14public void setValue(T value){ 15this.value = value

16}