面试问你在方法里定了个字符串并赋值你怎么表达

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String s = "hello";enter code here

用2个类的话可以吗?
public class StringDefine {
private String str = "DefineString";

public StringDefine() {
}

public StringDefine(String s){
this.str = s;
}

public String getString() {
return this.str;
}

public void setString(String s) {
this.str = s;
}
}

public class StringTest {
public static void main(String[] args) {
StringDefine strdf = new StringDefine();
System.out.println(strdf.getString());
}
}