package ch04.function;

public class Exam31 {
	public static void main(String[] args) {
		int a=sub1();
		System.out.println("a : " + a);

		float b=sub2();
		System.out.println("b : " + b);
		
		String c=sub3();
		System.out.println("c : " + c);
		
		int d=sub4(1, 3);
		System.out.println("d : " + d);
		
	}

	public static int sub1() {
		int a=10;
		return a;
	}
	public static float sub2() {
		float b=22.2f;
		return b;
	}
	
	public static String sub3() {
		return "apple";
	}
	
	public static int sub4(int a, int b) {
		return a+b;
	}
}

a : 10
b : 22.2
c : apple
d : 4