public void testRawType(){ Ra<Integer> rai = new Ra<>(); //Ra<Integer> is parameterized type Ra ra = rai ; //Ra is a raw type of Ra<T> Ra<String> ras = new Ra() ; //warning,unchecked assignment,Ra is a raw type of Ra<T>, ra.fun("test") ; //warning,unchecked call...
c.add(new Blade()); Inventory.addAssembly("thingee", c);//1: unchecked warning Collection k = Inventory.getAssembly("thingee").getParts(); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 客户代码是在引进泛型之前写下的,但是它使用了com.Fooblibar.widget...
问警告：[rawtype]在Netbeans中找到原始类型: JList (更改对象类型以满足新的Java7标准)ENTypeScript ...
But if you assign a raw type to a parameterized type, you get a warning: Box rawBox = new Box(); // rawBox is a raw type of Box<T> Box<Integer> intBox = rawBox; // warning: unchecked conversion You also get a warning if you use a raw type to invoke generic methods defined ...
class C <T extends Number & Serializable & Comparable > {} //warning,raw type A<MyNumber> am = new A<>(); //B<String> bm = new B<>(); //error String 不是number //C<MyInteger> cm = new C<>(); //error,MyInteger没有实现Comparable C<MyByte> cb = new C<>(); //ok C...
原始类型(Raw Type) 原始类型在 JDK 5.0 的时候是合法的,但是现在我们使用原始类型编译器均会报 warning,Raw use of parameterized class 'ItemViewBinder' 所以原始类型是不建议使用的,但是我们的各种泛型轮子中可能充斥着 warning,虽然运行时可能不存在问题,但是其实是不规范的。
The following example does not generate arawtypeswarning void countElements(List<?> l) { ... } Listis a raw type. However,List<?>is an unbounded wildcard parameterized type. BecauseListis a parameterized interface, always specify its type argument. In this example, theListformal argument is...
详细警告: warning: [unchecked] uncheckedcall to add(E) as a member of the raw type List list.add("hello"; ^ where E is a typevariable E extends Objectdeclared in interface List 若确信使用原始类型会引入风险,或处理无法重构的遗留代码,可使用@Suppress("unchecked")注解抑制警告。但需...
二:Eclipse的Window --> Preferences --> Java- --> Compiler --> Errors/Warning --> Generic types中Unchecked generic type operation设置为Ignore。 三:Eclipse的Window --> Preferences --> Java --> Compiler将Compiler compliance level设置为小于1.5...
2. @SuppressWarning 中的属性介绍以及属性说明 1. @SuppressWarnings 注解 @SuppressWarnings: 抑制编译器警告 如下,可以看到idea中有警告的颜色标注 当我们不希望看到这些警告的时候,可以使用 SuppressWarnings注解来抑制警告信息 ...