Java Method getExceptionTypes() Method

The getExceptionTypes ()method of Method class returns an array of type Class objects that represent the types of the exceptions declared to be thrown by the executable represented by this object. An array of length 0 is returned if the executable declares no exceptions in its throws clause.

Syntax

Parameter

No parameter is passed.

Returns

exception types declared as being thrown by the executable this object represents

Throws

No Exception is thrown.

Example 1

  //import statement
import java.lang.reflect.Method; 
public class ReflectMethodgetExceptionTypesExample1  { 
    public static void main(String[] args) 
    { 
        try { 
            Class classobj = demoClassX23.class; 
            Method[] mthd = classobj.getMethods(); 
            for (Method method : mthd) {  
                if (method.getName().equals("setValue") 
                    || method.getName().equals("getValue")) { 
                    Class[] exceptions = method.getExceptionTypes(); 
                    System.out.println("Exception Thrown by Method: "
                                       + method.getName()); 
                    System.out.println("Exception Array length: "
                                       + exceptions.length); 
                    for (Class c : exceptions) { 
                        System.out.println(c.getName()); 
                    } 
                } 
            } 
        } 
        catch (Exception e) { 
            e.printStackTrace(); 
        } 
    } 
} 
// a simple class 
class demoClassX23 { 
  
    // throw some exception by method 
    public void setValue(String value) 
        throws ClassNotFoundException, 
               ArrayIndexOutOfBoundsException, 
               ArithmeticException 
    { 
    } 
    // method throwing no exception 
    public String getValue(String value) 
    { 
        return value; 
    } 
} 

Test it Now

Output:

Exception Thrown by Method: getValue
Exception Array length: 0
Exception Thrown by Method: setValue
Exception Array length: 3
java.lang.ClassNotFoundException    //exception
java.lang.ArrayIndexOutOfBoundsException  
java.lang.ArithmeticException

Example 2

import java.lang.reflect.Method;
public class  ReflectMethodgetExceptionTypesExample2 {
   public static void main(String[] args) {
      Method[] mthd = SampleXClass.class.getMethods();
      Class[] exp = mthd[0].getExceptionTypes();
      for (int i = 0; i < exp.length; i++) {
         System.out.println(exp[i]);
      }
   }
}
class SampleXClass {
   private String sampleField;
   public String getSampleField() throws ArrayIndexOutOfBoundsException{
      return sampleField;
   }
   public void setSampleField(String sampleField) {
      this.sampleField = sampleField; 
   } 

Test it Now

Output:

class java.lang.ArrayIndexOutOfBoundsException

Next TopicJava Method Class

← prev next →

For Videos Join Our Youtube Channel: Join Now

Feedback

Send your Feedback to [email protected]

Help Others, Please Share

Learn Latest Tutorials

Splunk

SPSS

Swagger

Transact-SQL

Tumblr

ReactJS

Regex

Reinforcement Learning

R Programming

RxJS

React Native

Python Design Patterns

Python Pillow

Python Turtle

Keras

Preparation

Aptitude

Reasoning

Verbal Ability

Interview Questions

Company Questions

Trending Technologies

Artificial Intelligence

AWS

Selenium

Cloud Computing

Hadoop

ReactJS

Data Science

Angular 7

Blockchain

Git

Machine Learning

DevOps

B.Tech / MCA

DBMS

Data Structures

DAA

Operating System

Computer Network

Compiler Design

Computer Organization

Discrete Mathematics

Ethical Hacking

Computer Graphics

Software Engineering

Web Technology

Cyber Security

Automata

C Programming

C++

Java

.Net

Python

Programs

Control System

Data Mining

Data Warehouse

^{Like/Subscribe us for latest updates or newsletter}