今天寫的是java文法基礎的動手實驗
代碼部分:
package hydg;
public class EnumTest { public static void main(String args[]) {
System.out.println("0.05 + 0.01 = " + (0.05 + 0.01));
System.out.println("1.0 - 0.42 = " + (1.0 - 0.42));
System.out.println("4.015 * 100 = " + (4.015 * 100));
System.out.println("123.3 / 100 = " + (123.3 / 100));
}
}
運作結果部分:
運作結果分析:0.05+0.01應該等于0.06,可是他卻等于0.06000000000005;最後面多了個5