Transient modifier when an instance variable is declared as transient, then its value does not persist when an object is serialized Synchronized modifier when a method is synchronized it can be accessed by only one thread at a time. Volatile modifier volatile modifier tells the compiler that the volatile variable can be changed un...
ReturnType: class java.lang.Object GenericReturnType: T ParameterType: class java.lang.Object GenericParameterType: class java.lang.Object 1. 2. 3. 4. 5. 6. cast方法的返回值是就是泛型,标识符是”T”,所以getGenericReturnType()方法会返回T,而getReturnType()则返回java.lang.Object,也就是泛型擦...
Computer112also includes removable/nonremovable, volatile/nonvolatile computer storage media. FIG. 1 illustrates, for example a disk storage124. Disk storage124includes, but is not limited to, devices like a magnetic disk drive, floppy disk drive, solid state drive, flash memory card, or memory...
ACC_VOLATILE 0x0040 Declared volatile; cannot be cached. ACC_TRANSIENT 0x0080 Declared transient; not written or read by apersistent object manager. ACC_SYNTHETIC 0x1000 Declared synthetic; not present in the source code. ACC_ENUM 0x4000 Declared as an element of an enum. 对这四部分进行说明 ...