Tiny class to investigate why NoSuchMethodException occurs on your classpath

ClassInvestigator.java

package net.heartsavior;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class ClassInvestigator {

  public static void main(String[] args) {
    if (args.length < 1) {
      System.out.println("USAGE: [class name]");
      System.exit(1);
    }

    String className = args[0];

    Class<?> clazz = null;
    try {
      clazz = Class.forName(className);
    } catch (ClassNotFoundException e) {
      System.err.println("Class not found! class name: " + className);
      e.printStackTrace(System.err);
      System.exit(2);
    }

    // constructors
    System.out.println("================== CONSTRUCTORS =================");
    Constructor<?>[] constructors = clazz.getConstructors();
    for (Constructor cons : constructors) {
      System.out.println(cons.toGenericString());
    }

    // fields
    System.out.println("================== FIELDS =================");
    Field[] fields = clazz.getFields();
    for (Field field : fields) {
      System.out.println(field.toGenericString());
    }

    // methods
    System.out.println("================== METHODS =================");
    Method[] methods = clazz.getMethods();
    for (Method method : methods) {
      System.out.println(method.toGenericString());
    }

    System.out.println("DONE....");
  }
}