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java.lang.reflect.Method.getDefaultValue() Method Example
Description
The java.lang.reflect.Method.getDefaultValue() method returns the default value for the annotation member represented by this Method instance. If the member is of a primitive type, an instance of the corresponding wrapper type is returned. Returns null if no default is associated with the member, or if the method instance does not represent a declared member of an annotation type.
Declaration
Following is the declaration for java.lang.reflect.Method.getDefaultValue() method.
public Object getDefaultValue()
Returns
the default value for the annotation member represented by this Method instance.
Exceptions
TypeNotPresentException − if the annotation is of type Class and no definition can be found for the default class value.
Example
The following example shows the usage of java.lang.reflect.Method.getDefaultValue() method.
package com.tutorialspoint; import java.lang.reflect.Method; public class MethodDemo { public static void main(String[] args) { Method[] methods = SampleClass.class.getMethods(); System.out.println(methods[0].getDefaultValue()); } } class SampleClass { private String sampleField; public String getSampleField() { return sampleField; } public void setSampleField(String sampleField) { this.sampleField = sampleField; } }
Let us compile and run the above program, this will produce the following result −
null