package jp_bunkyo; public class ex2_4 { public static void main(String[] args) { int x, y; double z; x = 7; y = 3; System.out.print("x = " + x + ", y = " + y + "\n\n"); z = x + y; System.out.print(" 和:x + y = " + z + "\n"); z = x - y; System.out.print(" 差:x - y = " + z + "\n"); z = x * y; System.out.print(" 積:x * y = " + z + "\n"); z = x / y; System.out.print(" 除:x / y = " + z + "\n"); z = x % y; System.out.print("剰余:x % y = " + z + "\n\n"); System.out.println(" x / y = " + x/y + " 余り " + x%y + "だよ\n"); double xx, yy; xx = (double)x; yy = (double)y; z = xx / yy; System.out.print(" 除:x / y = " + z + "\n"); } }