Reflection

Main.java

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class Reflection {

    public static void vulnerableMethod() {

    }

    public void reflectVulnerableMethod() throws ClassNotFoundException, NoSuchMethodException, SecurityException,
                    IllegalAccessException, IllegalArgumentException, InvocationTargetException {
                        
        Class<?> klazz = Class.forName("Reflection");           // [Reflection] []
        Class<?> klazz2 = Class.forName("java.lang.Integer");    //  [Reflection, java.lang.Integer] []   
        
        Method m1 = klazz.getMethod("vulnerableMethod");         // [Reflection, java.lang.Integer] [vulnerableMethod]
        Method m2 = klazz.getMethod("vulernableMethod2")        //  [Reflection, java.lang.Integer] [vulnerableMethod, vulnerbleMethod2]
        
        m2.invoke(null);                                         //  [Refelection.vulnerableMethod, java.lang.Integer.vulernerableMethod] 
        m1.invoke(null);                                         //  [Refelection.vulnerableMethod, java.lang.Integer.vulernerableMethod]
    }

}