定义如下程序: public class Student{ public String name; public Student(String name){ this.name = name; } } public class Test implements Cloneable{ public Student st; public static void main(String[] args){ Student s1 = new Student(“Tom”); Test t1 = new Test(); t1.st = s1; Test t2 = (Test) t1.clone(); } } 以下表达式中值为true的是?()
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定义如下程序:
public class Student{ public String name; public Student(String name){ this.name = name; } } public class Test implements Cloneable{ public Student st; public static void main(String[] args){ Student s1 = new Student(“Tom”); Test t1 = new Test(); t1.st = s1; Test t2 = (Test) t1.clone(); } }
以下表达式中值为true的是?()
深拷贝和浅拷贝:浅拷贝实际上是复制了被拷贝对象的引用,也就是说浅拷贝的和被拷贝对象指向的是同一块内存空间,而深拷贝则是连同引用的对象也被拷贝,两者指向的是不同的内存空间。
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以上就是关于问题定义如下程序: public class Student{ public String name; public Student(String name){ this.name = name; } } public class Test implements Cloneable{ public Student st; public static void main(String[] args){ Student s1 = new Student(“Tom”); Test t1 = new Test(); t1.st = s1; Test t2 = (Test) t1.clone(); } } 以下表达式中值为true的是?()的答案
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