Sample1 package org.hsqldb;  import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; ...  public class HsqlSocketFactory {      protected HsqlSocketFactory() throws Exception {}      public static HsqlSocketFactory getInstance(boolean tls)     throws Exception {         return tls ? getSSLImpl()                    : getPlainImpl();     } ... ---------------------------------------------------------------- Sample2 package com.tutorialspoint;  import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method;  public class MethodDemo {    public static void main(String[] args)        throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {        Method[] methods = SampleClass.class.getMethods();       SampleClass sampleObject = new SampleClass();       methods[1].invoke(sampleObject, "data");       System.out.println(methods[0].invoke(sampleObject));    } }