lol97

package sufyan97_blog.design_pattern;

class ConfigEarly {
	private static ConfigEarly configEarly = new ConfigEarly(); //terbentuk ketika load time
	
	private ConfigEarly() {
		
	}
	
	public static ConfigEarly getConfigEarly() {

lol97

package sufyan97_blog.design_pattern;

class ConfigLazy {
	private static ConfigLazy configLazy;
	
	private ConfigLazy() {
		
	}
	
	public static ConfigLazy getConfigLazy() {

lol97

package com.sufyan97.learn_log4j;

import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class LevelLogCustom {
	private static Logger log = LogManager.getLogger(LevelLogCustom.class);
	
	//custom BAHAYA_TA

lol97

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
        </Console>
        <File name="MyFile" fileName="all.log" immediateFlush="false" append="false">
            <PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
        </File>
    </Appenders>

lol97

package com.sufyan97.learn_log4j;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class LevelLog {
	private static Logger log = LogManager.getLogger(LevelLog.class);
	
	public static void main(String[] args) {
		log.trace("Hai ini trace");

lol97

import cx_Oracle

try:
    con = cx_Oracle.connect('demouser/demouser@localhost:1521/XEPDB1')
    print(con.version)

    cursor = con.cursor()  

    print(cursor)

lol97

/*
 * Blink NodeMCU Build In
 * sufyan97
 */

 #define LED D0 //LED BUILD IN NodeMCU ada di GPIO16 (D0)

void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);

lol97

public class AccessLambda {
	interface Clickable {
		void onClick();
	}
	
	private Clickable action;

	void setClickAction(Clickable action) {
		this.action = action;
	}

lol97

public class GameLambda {
	interface Clickable {
		void onClick();
	}
	
	private Clickable action;

	void setClickAction(Clickable action) {
		this.action = action;
	}

lol97

import java.math.BigDecimal;

public class NoArgument {
	interface Reference{
		public BigDecimal getGravitionalEnergyValue();
	}
	
	public void doCalculateForce() {
		Reference refInner= new Reference() {
			public BigDecimal getGravitionalEnergyValue() {