Java 제어문2 - 조건문

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JAVA 제어문
https://www.youtube.com/playlist?list=PLuHgQVnccGMCoEXnWV8-UF1mBxK5ftmxH

 

• Conditional Statement

 

🐋 기본 조건문 형식 

· if

· else if

· else

public class Main {
    public static void main(String[] args) {
        System.out.println("a");
        
        if (false) {
            System.out.println(1);
        } else if (true) {
            System.out.println(2);
        } else {
            System.out.println(3);
        }
        
        System.out.println("b");
    }
}

 

🐳 조건문 응용 

· Code

public class Main {
    public static void main(String[] args) {

        String id = "alsrud";
        String inputId = args[0];

        String pwd = "0000";
        String pwd2 = "1234";
        String inputPwd = args[1];

        boolean isRightPwd = (inputPwd.equals(pwd) || inputPwd.equals(pwd2));
        if (inputId.equals(id) && isRightPwd) {
            System.out.println("Hello " + inputId);
        } else {
            System.out.println("Who are you?");
        }
    }
}

 

· input configuration

 

· 출력 결과