?? manipulation.java
字號:
//: generics/Manipulation.java
// {CompileTimeError} (Won't compile)
class Manipulator<T> {
private T obj;
public Manipulator(T x) { obj = x; }
// Error: cannot find symbol: method f():
public void manipulate() { obj.f(); }
}
public class Manipulation {
public static void main(String[] args) {
HasF hf = new HasF();
Manipulator<HasF> manipulator =
new Manipulator<HasF>(hf);
manipulator.manipulate();
}
} ///:~
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -