what s constant variable

Memory Allocation and variable storage location (heap, stack, method zone constant pool, method zone static zone), constant static Source: http://www.cnblogs.com/protected/p/6419217.html Intrusion and deletion!   When the program is running, data

Theory JVM Virtual Memory Distribution:The program counter is the pipeline of the JVM execution program and holds some jump instructions.The local method stack is the stack used by the JVM to invoke the operating system method.The virtual

In-depth exploration of Java constant pool and java constant pool Java constant pools are generally divided into two types: static constant pools and runtime constant pools. Static constant pool: constant pool in the class file. The constant pool in

Reprinted from http://my.oschina.net/xianggao/blog/84179 Author: Old demon   Java constant pool technology The constant pool technology in Java is used to create some objects conveniently and quickly. when an object is required, you can obtain one

3.2.2 Constantsand variables can be used in the program to express those that may change the amount of data corresponding to, in C + +, we use constants to express those always remain unchanged data volume. In simple terms, the values, characters,

3.2.2 Constantsand variables can be used in the program to express those that may change the amount of data corresponding to, in C + +, we use constants to express those always remain unchanged data volume. In simple terms, the values, characters,

Java memory allocation: 1. Register: we cannot control it in the program2. STACK: stores basic data and object references, but the object itself is not stored in the stack, but stored in the heap.3. Heap: store data generated with new4. static

#include #includestring.h>intMain () {Chars[]="copywrite 1999-2000 GGV Technologies";Char* S2=STRUPR (s);//converts a string in an S array to uppercase and returns s for initializing S2printf"%s", S2);p rintf ("%s", s);//at this time s and S2 are

In C/C ++ learning, some people often cannot understand the concepts of "constant Pointer" and "pointer constant. In fact, the data on the address pointed to by the "constant Pointer" is a constant, while the address pointed to by the "pointer

I. Related Concepts What is a constantA constant is represented by a final modified member variable, which cannot be changed once the value is given!There are three final modified variables: Static variables, instance variables, and local