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package Demo;
// ʹÓ÷ºÐÍͳһ´«ÈëµÄ²ÎÊýÀàÐÍ
class Info28<T> {
private T var; // ´ËÀàÐÍÓÉÍⲿ¾ö¶¨
public T getVar() {
return this.var;
}
public void setVar(T var) {
this.var = var;
}
public String toString() { // ¸²Ð´ObjectÀàÖеÄtoString()·½·¨
return this.var.toString();
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package Demo;
// Java·ºÐÍÎÞ·¨ÏòÉÏתÐÍ
class Info23<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 GenericsDem ......
package Demo;
// Java·ºÐͽӿÚ
interface Info24<T> { // ÔÚ½Ó¿ÚÉ϶¨Òå·ºÐÍ
public T getVar(); // ¶¨Òå³éÏó·½·¨£¬³éÏó·½·¨µÄ·µ»ØÖµ¾ÍÊÇ·ºÐÍÀàÐÍ
}
class InfoImp24<T> implements Info24<T> { // ¶¨Òå·ºÐͽӿڵÄ×ÓÀà
private T var; // ¶¨ÒåÊôÐÔ
public InfoImp24(T var) { // ͨ¹ý¹¹Ôì·½·¨É ......
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import java.util.Random;
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