import com.sun.management.UnixOperatingSystemMXBean; /** * Created by xabcd on 2019/2/16. */ interfa...
java接口对象的实例化
接口中没有构造方法,但是可以通过对象的多态性概念,通过接口的子类对其实例化。 /** * Created by xabcd on 2019/2/16. */ interface ja_jiekou {...
java——覆写equals
/** * Created by xabcd on 2019/2/16. */ public class person_equals { private String name; private in...
?java——equals
/** * Created by xabcd on 2019/2/16. */ public class person_equals { private String name; private in...
java——引用数据类型的传递
/** * Created by xabcd on 2019/2/16. */ public class java_change { int x = 0; } /** * Created by xab...
java二维数组加法
/** * Created by xabcd on 2019/2/16. */ public class java_secarr { public static void main(String ar...
java练习:找最大的数
/** * Created by xabcd on 2019/2/16. */ public class java_largest { public static void main(String a...
java 练习 计算对角线长度
/** * Created by xabcd on 2019/2/16. */ public class java_mathsqrt { public static void main(String ...
java——声明一个对象2
/** * Created by xabcd on 2019/2/16. */ public class test_shengming { public static void main(String...
java——声明一个对象
/** * Created by xabcd on 2019/2/16. */ public class test_shengming { public static void main(String...