Method return type, parameter's type

 
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

public class Main {
  public static void main(String[] args) {
    String name = "";
    Class cl = name.getClass();
    printMethods(cl);
  }

  public static void printMethods(Class cl) {
    Method[] methods = cl.getDeclaredMethods();
    for (int i = 0; i < methods.length; i++) {
      Method m = methods[i];
      Class retType = m.getReturnType();
      Class[] paramTypes = m.getParameterTypes();
      String name = m.getName();
      System.out.print(Modifier.toString(m.getModifiers()));
      System.out.print(" " + retType.getName() + " " + name + "(");
      for (int j = 0; j < paramTypes.length; j++) {
        if (j > 0)
          System.out.print(", ");
        System.out.print(paramTypes[j].getName());
      }
      System.out.println(");");
    }
  }
}
  
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Reflection Method:
  1. Convert method to property name
  2. Find a Method on the supplied class with the supplied name and no parameters
  3. Find a Method on the supplied class with the supplied name and parameter types
  4. Get all methods from a class
  5. Get constructor and its parameters and call constructor with parameter
  6. Get method by parameter type
  7. Get all declared methods from a class, not inherited
  8. Get specific method by its name and parameters
  9. Get Static Method
  10. Get the current running method name
  11. Invoke a method with Reflection
  12. Invoke a method on an object with parameters
  13. Invoke a method with 2 arguments
  14. Invoke private method
  15. Method modifiers: isSynthetic(), isVarArgs(), isBridge()
  16. Method return type, parameter's type
  17. Method signature
  18. Modifier public, private, protected, static, final, abstract
  19. Modifier checker checks all possible modifiers for a method
  20. Sort methods according to their name, number of parameters, and parameter types.