Test02

package day01;

public class Test02 {
	public static void main(String[] args) {
		
		//변수선언
		boolean b;
		char ch;
		int i;
		double d;
		
		b = true;
		ch = 'A';
		i = 100;
		d = 3.14;
		
		System.out.println(b);   // True
		System.out.println(ch);  // A
		System.out.println(i);   // 100
		System.out.println(d);   // 3.14
		
		
		
		//선언 후 대입
		int abc = 10;
		int def = 20;
		
		System.out.println(abc); // 10
		System.out.println(def); // 20
		
		
		
		//대입연산자
		abc = 10 + 20;
		System.out.println(abc); // 30
		
		
		
	} //main

} //class