String a = "hello2"; final String b = "hello"; 两者有什么区别呢?
代码1
```String a = "hello2";
final String b = "hello";
String c = b + 2;
System.out.println((a == c));
代码2
`public class Main {
public static void main(String[] args) {
String a = "hello2";
final String b = getHello();
String c = b + 2;
System.out.println((a == c));
}
public static String getHello() {
return "hello";
}
}