자바(Java) 조건문 if, if else

/*
 * if Phrase(if문)
 */
package Java_ch4;
 
public class IfPhrase {
 
    public static void main(String[] args) {
        int score = 90;
        
        if (score > 80) {
            System.out.println("higher than 80");
            System.out.println("A rank");
        }
        
        if (score < 80) {
            System.out.println("less than 80");
            System.out.println("B rank");
        }
        System.out.println(score);
    }
}
 
/* result
higher than 80
A rank
90
*/
 
package Java_ch4;
 
public class IfElsePhrase {
 
    public static void main(String[] args) {
        int score = 70;
        
        if (score > 80) {
            System.out.println("higher than 80");
            System.out.println("A rank");
        } else {
            System.out.println("less than 80");
            System.out.println("B rank");
        }
    }
}
 
/* result
less than 80
B rank
*/
 
/*
 * if else if else 
 */
 
package Java_ch4;
 
public class IfElseIfElse {
 
    public static void main(String[] args) {
        int score = 81;
        
        if (score >= 90) {
            System.out.println("higher than 90");
            System.out.println("A grade");
        } else if (score >= 80) {
            System.out.println("higher than 80");
            System.out.println("B grade");            
        } else if (score >= 70) {
            System.out.println("higher than 80");
            System.out.println("C grade");            
        } else {
            System.out.println("F grade");
        }
    }
}
 
/*

higher than 80
B grade
*