Compile Java File: ClassgetDeclaredMethodExample1

import java.lang.reflect.*;
public class ClassgetDeclaredMethodExample1 {
   public static void main(String[] args) {
ClassgetDeclaredMethodExample1 obj = new ClassgetDeclaredMethodExample1();
      Class class1 = obj.getClass();
try {          
         // parameter type is null
         Method mthd = class1.getDeclaredMethod("showmethod", null);
         System.out.println("method  1 = " + mthd.toString()); 
         // method Integer
         Class[] arg = new Class[1];
         arg[0] = Integer.class;
         Method mthd1 = class1.getDeclaredMethod("showIntegermethod", arg);
         System.out.println("method 2 = " + mthd1.toString());
        Class[] arg2 = new Class[1];
         arg2[0] = float.class;
         Method mthd3 = class1.getDeclaredMethod("showFloatmethod", arg2);
           System.out.println("method 3 = " + mthd3.toString());
      } catch(NoSuchMethodException e) {
         System.out.println(e.toString());  //print the exceptio object e
      }
   }
   private Integer showmethod() {
      return 1;
   }
   public void showIntegermethod(Integer i) {
      this.i = i;
   }
    public void showFloatmethod(float i) {
      this.f = f;
   }
   public int i = 88655;
   float f=3;
}

Output

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