【原因分析】
引用成员变量时未使用this关键字。
【影响分析】
容易造成误解，降低代码的可读性。
【修改建议】
需要修改，在引用成员变量时添加this关键字，例如：
private String hello = "Hello ";
public String sayHello(String name) {
System.out.println(this.hello + name);
}
samjavaeye
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