this
this 关键字用于区分局部变量和实例变量
如果局部变量的名称与实例变量的名称相同，那么使用 this 关键字可以区分它们
PLAINTEXT
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public class Person {
private String name;
private int age;
public Person(String name, int age) {
this.name = name;
this.age = age;
}
public void printInfo() {
System.out.println("Name: " + this.name);
System.out.println("Age: " + this.age);
}
}