Java Reflection - Class.isSynthetic() Examples

[Last Updated: Oct 30, 2025]

Class:

java.lang.Class

Method:

public boolean isSynthetic()

Returns true if this class is a synthetic class; returns false otherwise.

Examples

package com.logicbig.example.clazz;

import java.io.Serializable;

public class IsSyntheticExample {

    public static void main(String... args) {
        boolean b = Enum.class.isSynthetic();
        System.out.println(b);

        b = IsSyntheticExample.class.isSynthetic();
        System.out.println(b);

        b = new Serializable() {}.getClass().isSynthetic();
        System.out.println(b);

        Runnable runnable = () -> {};
        b = runnable.getClass().isSynthetic();
        System.out.println(b);
    }
}

Output

false
false
false
true

Java Reflection - Class.isSynthetic() Examples

Class:

Method:

Examples

Output

See Also