泛型-泛型代码和虚拟机

public class Pair {     private  Object first;     private  Object second;      public Pair() {         first=null;         second=null;     }      public Pair(Object firsObject, Object second) {         this.first = firsObject;         this.second = second;     }      public Object geObjectFirsObject() {         return first;     }      public void seObjectFirsObject(Object firsObject) {         this.first = firsObject;     }      public Object geObjectSecond() {         return second;     }      public void seObjectSecond(Object second) {         this.second = second;     } } 

public class Pair {     private Comparable first;     private Comparable second;      public Pair() {         first=null;         second=null;     }      public Pair(Comparable first, Comparable second) {         this.first = first;         this.second = second;     } }     

Pair<Employee> buddies = new Pair(); Employee buddy = buddies.getFirst(); 

文章来源: 泛型-泛型代码和虚拟机