[JAVA] Print출력

public class Hello {
    public static void main(String[] args) throws Exception {
        System.out.println("Hello, World!");
    }
}

Hello, World!

 

public class Test {
    public static void main(String[] args) throws Exception {
        int num1; //변수의 선언문
        int num2;
        num1 = 10; //변수의 대입문
        num2 = 20 + 30;

        System.out.println("num1: " + num1);

        if (num2 > 10) //조건문
            System.out.println("num2 is bigger than 20, num2:" + num2);
        
        int count = 1;
        while(num1 < 15){ //반복문
            System.out.println("count: " + count + " num1: " + num1);
            num1 = num1 + 1;
            count = count + 1;
        }
    }
}

num1: 10
num2 is bigger than 20, num2:50
count: 1 num1: 10
count: 2 num1: 11
count: 3 num1: 12
count: 4 num1: 13
count: 5 num1: 14