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'this' reference in Java In Java, 'this' is usually a reference variable that refers back to the recent item, or may be said "this" in Java is usually a search term that refers to the recent item occasion.，我们可以引用当前对象的成员变量、调用当前对象的其他方法，甚至在构造方法中调用其他构造方法。这使�