実数の計算
1 public class JissuKeisan { 2 public static void main(String[] args) { 3 System.out.println("7 / 2 =" + 7 / 2); 4 System.out.println("7.0 / 2 =" + 7.0 / 2); 5 System.out.println("7 / 2.0 =" + 7 / 2.0); 6 System.out.println("7.0 / 2.0 =" + 7.0 / 2.0); 7 } 8 }
$ javac JissuKeisan.java $ java JissuKeisan 7 / 2 =3 7.0 / 2 =3.5 7 / 2.0 =3.5 7.0 / 2.0 =3.5