JAVA(7)-Format

package oop0313;

public class Test07_format {

	public static void main(String[] args) {
		//출력서식
		//교재 p90참조
		/*
		 
		 \n 줄바꿈
		 \t 탭
		 \r
		 \b
		 
		 %d	10진 정수형
		 %f 실수형
		 %c	문자형
		 %s 문자열형
		 
		 
		System.out.printf("출력서식",값);
	 */
System.out.print("사과\n참외\n\n수박\n\n\n");
System.out.print("바\t\t나\t나");
System.out.print("\n\n딸기");

System.out.printf("%d %d %d\n",3,5,7);
System.out.printf("나이:%d\n",25);//출력하고 엔터처리
System.out.printf("a:%d\t b:%d\t c:%d\n",2,4,6);
	
System.out.printf("#%5d#\n",  123);//5칸내에서 오른쪽 정렬	
System.out.printf("#%-5d#\n",  123);//왼쪽정렬
System.out.printf("#%05d#\n",  123);//빈칸을 0으로 채워라
	
System.out.printf("x:%f y:%f z:%f\n",1.2,3.4,5.6);
System.out.printf("#%6.2f#\n", 7.8);//#  7.80#
System.out.printf("#%-6.2f#\n", 7.8);//#7.80  #	
System.out.printf("#%.2f#\n", 7.8);//#7.80#


System.out.printf("%c %c %c\n",'S','K','Y');
System.out.printf("#%5c#\n",  'R');//#  R#
System.out.printf("#%-5c#\n",  'r');//#r  #

System.out.printf("%s %s %s\n","YEAR","MONTH","DATE");
System.out.printf("#%8s#\n",  "HAPPY");//#  HAPPY#
System.out.printf("#%-8s#\n",  "HAPPY");//#HAPPY  #

System.out.println(String.format("%.4f",10/3.0));//"3.333"

	}
}