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Class isSynthetic() method in Java with Examples

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  • Last Updated : 27 Sep, 2021
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The isSynthetic() method of java.lang.Class class is used to check if this Class is the Synthetic class. The method returns true if this Class is the Synthetic class. It returns false otherwise.
Syntax: 

public boolean isSynthetic()

Parameter: This method does not accept any parameter.
Return Value: This method returns true if this Class is the Synthetic class. It returns false otherwise.
Below programs demonstrate the isSynthetic() method.
Example 1: 

Java




// Java program to demonstrate isSynthetic() method
 
public class Test {
    public static void main(String[] args)
        throws ClassNotFoundException
    {
 
        // returns the Class object for this class
        Class myClass = Class.forName("Test");
 
        System.out.println("Class represented by myClass: "
                           + myClass.toString());
 
        // Check if this class is an synthetic
        // using isSynthetic() method
        System.out.println("Is Test an synthetic: "
                           + myClass.isSynthetic());
    }
}


Output: 

Class represented by myClass: class Test
Is Test an synthetic: false

 

Example 2:

Java




// Java program to demonstrate isSynthetic() method
 
// declaring an Annotation Type
@interface A {
    // interface element definitions
}
 
public class Test {
    public static void main(String[] args)
        throws ClassNotFoundException
    {
 
        // returns the Class object for A
        Class myClass = A.class;
 
        // Check if myClass is an synthetic
        // using isSynthetic() method
        System.out.println("Is A an synthetic: "
                           + myClass.isSynthetic());
    }
}


Output: 

Is A an synthetic: false

 

Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#isSynthetic–


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