Click here to watch in Youtube :
https://www.youtube.com/watch?v=xnh_lccCWOg&list=UUhwKlOVR041tngjerWxVccw
Display.java
https://sites.google.com/site/ramj2eev1/home/javabasics/ReflectionDemo_genericreturntype_method.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ReflectionDemo_genericreturntype_method
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/7b0b4fbacd011a10dc23b42c4acc3ae6988db782/BasicJava/ReflectionDemo_genericreturntype_method/?at=master
See also:
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https://www.youtube.com/watch?v=xnh_lccCWOg&list=UUhwKlOVR041tngjerWxVccw
Display.java
import java.util.Arrays; import java.util.List; public class Display { protected List<String> nameList = Arrays.asList("Peter","Juli","Dave"); public List<String> getNameList() { return this.nameList; } }ReflectionDemo.java
import java.lang.reflect.Method; import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; /** * How to get Generic return Type of the method */ public class ReflectionDemo { public static void main(String[] args) { try { Class<Display> classObj = Display.class; Method method = classObj.getMethod("getNameList", null); Type type = method.getGenericReturnType(); System.out.println("type = "+type); if (type instanceof ParameterizedType) { ParameterizedType parameterizedType = (ParameterizedType) type; Type[] typeArguments = parameterizedType.getActualTypeArguments(); for (Type typeArgument : typeArguments) { Class typeArgClass = (Class) typeArgument; System.out.println("typeArgClass = " + typeArgClass); System.out.println("typeArgClass Name = " + typeArgClass.getName()); } } } catch (NoSuchMethodException | SecurityException e) { e.printStackTrace(); } } }Output
type = java.util.List<java.lang.String> typeArgClass = class java.lang.String typeArgClass Name = java.lang.StringClick the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/ReflectionDemo_genericreturntype_method.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ReflectionDemo_genericreturntype_method
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/7b0b4fbacd011a10dc23b42c4acc3ae6988db782/BasicJava/ReflectionDemo_genericreturntype_method/?at=master
See also:
instead of string if we use anyother class inside can we get methods of that class ???
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