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Java bro

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Category: Java reflection api

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  • Advanced java tutorial
  • Java reflection api
  • Java reflection api

Introduction to reflection API in java

Reflection API is a collection of classes and interfaces given by SUN ,to get a meta data of a class at runtime. For example, we have a runtime class and

  • vsreenu48
  • December 18, 2020December 21, 2020
  • Java reflection api

Importance of java.lang.Class

Every time a class was loaded into JVM , JVM creates a java.lang.Class object with the name ‘class’ in that class , that contains all the meta data of loaded

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get class name at run time in java

In this article we wre going to learn how to get class name of given object. package com.java; public class Sample { public void printClassName(Class c){ String cname = c.getName();

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Check if loaded definition is an interface or class

In this tutorial we are going to check wheather loaded class is an interface definition or class definition . To check weather the .class file is as interface definition or

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get all super classes of a class in java

In this tutorial we are going to learn , how to get all super classes of a class . To get super class of a class , getSuperclass() method was

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get interfaces implemented by a class

In this tutorial we are going to learn hot get interfaces implemented by class at run time . To get interfaces implemented by class , getInterfaces() method was provided in

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get fields of a class at run time in java

In this tutorial we are going to learn how to get all fields of a class . To get fields of a class , getDeclaredFields() method was provided in java.lang.Class

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get constructors of a class at run time in java

In this tutorial we are going to learn how to get constructor and it’s parameter of a class . See the below example . package com.java; import java.lang.reflect.Constructor; class Sample

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get methods of a class at run time in java

In this tutorial we are going to learn how to get method details of a class . In java, methods are classified into two types they are . 1) Instance

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get package details of a class at run time in java

Package is collection of classes , interfaces and sub packages. Package must be a first statement of a class. To get package details getPackage() method is given in java.lang.Class .

  • vsreenu48
  • December 18, 2020December 22, 2020
  • Java reflection api

Get modifier details of a class at run time in java

In java, many modifiers are there, those are: 1) private2) protected3) public4) default5) Abstract6) Final7) Synchronised8) Volatile9) Static10) Native11) Transient default is not a keyword. If you don’t specify any

  • vsreenu48
  • December 18, 2020December 22, 2020

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