[JAVA] helloworld print 예제

public class Test01 {//Class area of Test01
	
	public static void main(String[] args){//JVM is will be find main method first 
		/*
		 * 
		 * My first java program 2017.1.05
		 * The method area of main
		 * main : public static void main(String[] args) 
		 * it is a start point of program(owner of this program)
		 * main method to start  =  program to start(and end)
		 * 
		*/
		
		System.out.println("hello world");
		System.out.println(10+20);
		
		
	}//it is a end to JVM interpreter.
}
/*
 * It is area of Document areas
 * 
*/