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java.lang.reflect.Method.getGenericReturnType() Method Example
Description
The java.lang.reflect.Method.getGenericReturnType() method returns a Type object that represents the formal return type of the method represented by this Method object.
Declaration
Following is the declaration for java.lang.reflect.Method.getGenericReturnType() method.
public Type getGenericReturnType()
Returns
a Type object that represents the formal return type of the underlying method.
Exceptions
GenericSignatureFormatError − if the generic method signature does not conform to the format specified in The Java Virtual Machine Specification.
TypeNotPresentException − if any of the parameter types of the underlying method refers to a non-existent type declaration.
MalformedParameterizedTypeException − if any of the underlying method's parameter types refer to a parameterized type that cannot be instantiated for any reason.
Example
The following example shows the usage of java.lang.reflect.Method.getGenericReturnType() method.
Live Demopackage com.tutorialspoint; import java.lang.reflect.Method; import java.lang.reflect.Type; public class MethodDemo { public static void main(String[] args) { Method[] methods = SampleClass.class.getMethods(); Type returnType = methods[0].getGenericReturnType(); System.out.println(returnType); } } 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 −
class java.lang.String