[09] 연산자 : 논리연산자

논리연산자

1) and	&&	모두 참
2) or	||	한개 이상 참
3) not	!	논리형을 뒤집음 !true = false

 

package day00;

public class Ex01 {
	public static void main(String[] args) {
		
		System.out.println(10 == 10 && 3==3);
		System.out.println(10 != 10 && 3==3);
		System.out.println(10 == 10 && 3!=3);
		System.out.println(10 != 10 && 3!=3);
		System.out.println();
		System.out.println(10 == 10 || 3==3);
		System.out.println(10 != 10 || 3==3);
		System.out.println(10 == 10 || 3!=3);
		System.out.println(10 != 10 || 3!=3);
		
		boolean b = true;
		System.out.println(!b);
		

	}

}