我写了一个java类:
public class Tuple<X, Y> {
public final X x;
public final Y y;
public Tuple(X x, Y y) {
this.x = x;
this.y = y;
}
}
但是当我创建这样的函数时:
public Tuple<boolean, String> getResult()
{
try {
if(something.equals(something2))
return new Tuple(true, null);
}
catch (Exception e){
return new Tuple(false, e.getMessage());
}
但是,我收到以下编译错误:
unexpected type
required: reference
found: boolean
我可以做什么?