java 模板模式 java 模板类t

class Template<Type extends Object> {
 private Type template;
 public Template() {  }
 public Template(Type template) {   setTemplate(template);  }
 public void setTemplate(Type template) {   this.template = template;  }
 public Type getTemplate() {   return template;  }
 public void Myprint() {   System.out.println(template.toString());
 }

 

public static void main(String[] args) {   
Template<String> stringT = new Template<String>();   
stringT.setTemplate(new String("Hello Template class"));   
stringT.Myprint();
  Template<Integer> integerT = new Template<Integer>(5);   
integerT.Myprint();
  Template doubleT = new Template<Double>(3.1415926);   
doubleT.Myprint();

 

Template<Student> studentT=new Template<Student>();   
studentT.setTemplate(new Student("lyz",23));   
studentT.Myprint();
 }
}

 

public class Student {
 private String name;
 private int age;
 
 public Student(String name,int age){
  this.name=name;
  this.age=age;
 }
 
 @Override
 public String toString() {
  String str="name:"+name+"||age:"+age;
  return str;
 }
}