1.static方法是类中的一个成園方法,属于整个类,即不用創建任何对象也可以直接调用! static内部只能...
In thisJava Tutorial, we learned how to use Arrays.asList() method of java.util package, to create a List from objects or an array, with the help of example programs.
基本类型是不能作为泛型的参数,按道理应该使用包装类型,但这里缺没有报错,因为数组是可以泛型化的,所以转换后在list中就有一个类型为int的数组 /*** Returns a fixed-size list backed by the specified array. (Changes to * the returned list "write through" to the array.) This method acts * as bri...
编译没有任何问题,运行结果: Exception in thread "main" java.lang.UnsupportedOperationException 不支持List的add方法,看asList的源代码. 1/**2* Returns a fixed-size list backed by the specified array. (Changes to3* the returned list "write through" to the array.) This method acts4* as bridge...
* as bridge between array-based and collection-based APIs, in * combination with {@linkCollection#toArray}. The returned list is * serializable and implements {@linkRandomAccess}. * * This method also provides a convenient way to create a fixed-size * list...
* as bridge between array-based and collection-based APIs, in * combination with {@link Collection#toArray}. The returned list is * serializable and implements {@link RandomAccess}. * * This method also provides a convenient way to create a fixed-size ...
Exception in thread "main" java.lang.UnsupportedOperationException 1. 不支持List的add方法,看asList的源代码. 1 /** 2 * Returns a fixed-size list backed by the specified array. (Changes to 3 * the returned list "write through" to the array.) This method acts ...
* as bridge between array-based and collection-based APIs, in * combination with {@link Collection#toArray}. The returned list is * serializable and implements {@link RandomAccess}. * * This method also provides a convenient way to create a fixed-size ...
* as bridge between array-based and collection-based APIs, in * combination with {@linkCollection#toArray}. The returned list is * serializable and implements {@linkRandomAccess}. * * This method also provides a convenient way to create a fixed-size * list...
Exception in thread "main" java.lang.UnsupportedOperationException 不支持List的add方法,看asList的源代码. 1/**2* Returns a fixed-size list backed by the specified array. (Changes to3* the returned list "write through" to the array.) This method acts4* as bridge between array-based and col...