Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.lang.reflect.Method;

public class Main {
    public static void main(String[] args) throws Exception {
        Main cls = new Main();
        Class c = cls.getClass();

        // parameter type is null
        Method m = c.getMethod("show", null);
        System.out.println("method = " + m.toString());

        // method Long
        Class[] cArg = new Class[1];
        cArg[0] = Long.class;
        Method lMethod = c.getMethod("showLong", cArg);
        System.out.println("method = " + lMethod.toString());
    }
}

class MyClass {

    public Integer show() {
        return 1;
    }

    public void showLong(Long l) {
        this.l = l;
    }

    long l = 1L;
}