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Java 5.0 ·ºÐÍÖ® ͨÅä·û

package Demo;
// ͨÅä·û
class Info14<T> {
private T var; // ¶¨Òå·ºÐͱäÁ¿
public void setVar(T var) {
this.var = var;
}
public T getVar() {
return this.var;
}
public String toString() { // Ö±½Ó´òÓ¡
return this.var.toString();
}
}
public class GenericsDemo14 {
public static void main(String args[]) {
Info14<String> i = new Info14<String>(); // ʹÓÃStringΪ·ºÐÍÀàÐÍ
i.setVar("it"); // ÉèÖÃÄÚÈÝ
fun(i);
}
public static void fun(Info14<?> value) { // ¿ÉÒÔ½ÓÊÕÈÎÒâµÄ·ºÐͶÔÏó
System.out.println("Value Of String : " + value);
}
}


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