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Final,finally,finalize的区别与联系
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更多 “ Final,finally,finalize的区别与联系 ” 相关考题
考题
final,finally,finalize三个关键字的区别有()
A.final是修饰符(关键字)可以修饰类、变量、方法B.finally在异常处理时使用,提供finally块来执行任何清除操作C.finalize是方法名,在垃圾收集器将对象从内存中清除出去之前做必要的清理工作D.finally和finalize一样都是用于异常处理的方法
考题
final,finally,finalize三个关键字的区别有()。
A.final是修饰符(关键字)可以修饰类、变量、方法B.finally在异常处理时使用,提供finally块来执行任何清除操作C.finalize是方法名,在垃圾收集器将对象从内存中清除出去之前做必要的清理工作D.final和finalize一样都是用于异常处理的方法
考题
Which two are true?()
A.A finalizer may NOT be invoked explicitly.B.The finalize method declared in class Object takes no action.C.super.finalize()is called implicitly by any over riding finalize method.D.The finalize method for a given objec twill be called no more than once by the garbage collector.E.The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
考题
final,finally,finalize三个关键字的区别有()。 A、final是修饰符(关键字)可以修饰类、变量、方法B、finally在异常处理时使用,提供finally块来执行任何清除操作C、finalize是方法名,在垃圾收集器将对象从内存中清除出去之前做必要的清理工作D、final和finalize一样都是用于异常处理的方法
考题
final, finally, finalize三个关键字的区别有() A、final是修饰符(关键字)可以修饰类、变量、方法B、finally在异常处理时使用,提供 finally 块来执行任何清除操作C、finalize是方法名,在垃圾收集器将对象从内存中清除出去之前做必要的清理工作D、finally和finalize一样都是用于异常处理的方法
考题
Object类的finalize()方法是如何声明的()。A、public void finalize()B、protected int finalize()C、C.protected void finalize(intD、protected void finalize()throws Throwable
考题
final、finally和finalize的区别中,下述说法正确的有()。A、final用于声明属性,方法和类,分别表示属性不可变,方法不可覆盖,类不可继承B、finally是异常处理语句结构的一部分,表示总是执行C、finalize是Object类的一个方法,在垃圾收集器执行的时候会调用被回收对象的此方法,可以覆盖此方法提供垃圾收集时的其他资源的回收,例如关闭文件等D、引用变量被final修饰之后,不能再指向其他对象,它指向的对象的内容也是不可变的
考题
Which statement is true?()A、A class’s finalize() method CANNOT be invoked explicitly.B、super.finalize() is called implicitly by any overriding finalize() method.C、The finalize() method for a given object is called no more than once by the garbage collector.D、The order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.
考题
多选题final, finally, finalize三个关键字的区别有()Afinal是修饰符(关键字)可以修饰类、变量、方法Bfinally在异常处理时使用,提供 finally 块来执行任何清除操作Cfinalize是方法名,在垃圾收集器将对象从内存中清除出去之前做必要的清理工作Dfinally和finalize一样都是用于异常处理的方法
考题
单选题Which statement is true?()A
A class’s finalize() method CANNOT be invoked explicitly.B
super.finalize() is called implicitly by any overriding finalize() method.C
The finalize() method for a given object is called no more than once by the garbage collector.D
The order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.
考题
多选题final、finally和finalize的区别中,下述说法正确的有()。Afinal用于声明属性,方法和类,分别表示属性不可变,方法不可覆盖,类不可继承Bfinally是异常处理语句结构的一部分,表示总是执行Cfinalize是Object类的一个方法,在垃圾收集器执行的时候会调用被回收对象的此方法,可以覆盖此方法提供垃圾收集时的其他资源的回收,例如关闭文件等D引用变量被final修饰之后,不能再指向其他对象,它指向的对象的内容也是不可变的
考题
单选题Exhausted from a day of hiking across steep, rain-soaked paths, the group of campers were relieved upon the final reaching of the car.A
group of campers were relieved upon the final reaching of the carB
camping group became relieved after they got to the carC
group of campers was relieved to finally reach the carD
campers were relieved after the car was finally reachedE
group was relieved after the campers finally reached the car
考题
问答题请简述final和finally的区别,并说明各自的用途。
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