There are two ways to create a reference from an old object to a young object.

有两种创建从老对象到年轻对象的引用的方法。

youdao

Well, adding that, and running "make clean" to get rid of the old object files.

好的，现在添加这个选项，并运行“make clean”删除旧对象文件。

youdao

Whenever text is to be appended to or deleted from a String, a new object is created under the covers and the old object is discarded. Hence we prefer this.

无论何时将文本附加到String或从中删除，实际上都将创建一个新对象，并将旧对象丢弃。

youdao

One object is a brightly painted coffin that is nearly four thousand years old.

VOA: special.2010.08.04

Now these ideas of classes, object-oriented programming, data abstraction, are about 40 years old, they're not new ideas.

面向对象编程的概念，数据抽象的概念，都是40年前就有的老东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选

After Emily hit upon the fossil with a spade, her father and palaeontologist Dr Neville Hollingworth helped her dig out the block of mudstone the 162.8 million-year-old object, which had spikes to ward off predators, was encased in.

BBC: Children discover 'rare' fossils at Cotswold Water Park

Using a menu of impromptu, homemade mediums (cooking oil, tobacco juice, candle wax), he worked in a cramped, one-room studio piled high "with every kind of object old newspapers, painting materials, soiled cloths, food, unwashed dishes, ashes, " according to Lloyd Goodrich, the artist's champion in later decades.

WSJ: Tale Told by a Modern Romantic | Jonah | Albert Pinkham Ryder | By Sidney Lawrence

Shah Jehan's lies to the side the only unsymmetrical object in the centuries-old dream work.

NPR: A Pilgrimage to the Taj Mahal, a 'Poem in Stone'