应该与OOP的概念有关,JAVA是老外教的,听不太懂。甚至都没什么基础哈哈
2条回答 默认 最新
- Disaster_Star 2021-11-02 21:00关注
public class McmLength {
private int m;
private int cm;
private int hm;public McmLength() { } public McmLength(int hm) { this.hm = hm; } public McmLength(double cm) { this.cm = (int) cm; } public McmLength(int m, int cm, int hm) { this.m = m; this.cm = cm; this.hm = hm; } public int add(int x, int y) { return x + y; } public int sub(int x, int y) { return x - y; } public double z(int x, int y) { return x / y; } public int s(int x, int y) { return x * y; } public int Max(int x, int y) { return Math.max(x, y); } public static void main(String[] args) { McmLength M1 = new McmLength(); McmLength M2 = new McmLength(2); McmLength M3 = new McmLength(2.3); McmLength M4 = new McmLength(1, 2, 3); System.out.println(M1); System.out.println(M2); System.out.println(M3); System.out.println(M4.add(1, 2)); System.out.println(M4.sub(3, 4)); System.out.println(M4.z(5, 6)); System.out.println(M4.s(7, 8)); System.out.println(M4.Max(9, 0)); }
}
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