/*-----------------------------
 Ex9_2.java
 メソッドの基本：四則演算＋剰余
 ------------------------------*/
package jp_bunkyo;

public class Ex9_2 {
	public static void main(String[] args) {
		int x, y, z;
		float rx, ry, rz;
		x = 15;	rx = 15.0f;
		y = 7;	ry = 7.0f;

		z = addxy(x,y);	System.out.printf("%2d + %2d = %4d\n", x, y, z);
		z = difxy(x,y);	System.out.printf("%2d - %2d = %4d\n", x, y, z);
		z = mulxy(x,y);	System.out.printf("%2d * %2d = %4d\n", x, y, z);
		rz = divxy(rx,ry);	System.out.printf("%2.0f / %2.0f = %2.5f\n", rx, ry, rz);
		z = modxy(x,y);	System.out.printf("%2d %% %2d = %4d\n", x, y, z);
	}

	public static int addxy(int X, int Y) {	// 足し算をするメソッド
		int Z;
		Z = X + Y;
		return(Z);
	}

	public static int difxy(int X, int Y) {	// 引き算をするメソッド
		int Z;
		Z = X - Y;
		return(Z);
	}

	public static int mulxy(int X, int Y) {	// 掛け算をするメソッド
		int Z;
		Z = X * Y;
		return(Z);
	}

	public static float divxy(float X, float Y) {	// 割り算をするメソッド
		float Z;
		Z = X / Y;
		return(Z);
	}

	public static int modxy(int X, int Y) {	// 剰余を計算するメソッド
		int Z;
		Z = X % Y;
		return(Z);
	}
}