07_기본문법

public class Start {
	
	//split
	public void exam1(String str){
		String [] s1 = str.split("#");
		for(String temp : s1){
			String [] s2 = temp.split("@");
			System.out.println("이름 : " + s2[0]);
			System.out.println("전번 : " + s2[1]);
			char gender = s2[2].charAt(0);
			//System.out.println("성별 : " + s2[2]);
			System.out.println("성별 : " + gender);
		}	
		
	}
	
	//string -> int  or int -> string
	public void exam2(){
		String str = "1234";
		int    num = Integer.parseInt(str);
		
		String str1 = "" + num;
		System.out.println("문자열 변환 : " + str1);
	}
	
	//진법 변환
	public void exam3(){
		int num = 10;
		String value = Integer.toBinaryString(num);
		System.out.println("2진수 : " + value);
		value = Integer.toOctalString(num);
		System.out.println("8진수 : " + value);
		value = Integer.toHexString(num);
		System.out.println("16진수 : " + value);
	}
	
	public static void main(String[] args)	{
		String str = "홍길동@010-1111-1111@남#이길순@010-2222-2222@여";
		
		//이름이 없는 객체 생성
		//new Start().exam1(str);
		new Start().exam3();
	}
}