
public final int MAX_ARRAY_SIZE = 25;
例 final 关键字程序:Test.java
public final class Test{
public static final int
TOTAL_
NUMBER= 5 ;
public int id;
public Test(){
id = ++
TOTAL_
NUMBER;//非法,对final变量TOTAL_
NUMBER进行二次赋值了。
//因为++TOTAL_
NUMBER相当于
:TOTAL_NUMBER=TOTAL_NUMBER+1
}
public static void main(String[] args) {
final Test t = new Test();
final int i= 10;
final int j;
j = 20;
j = 30; //非法,对final变量进行二次赋值
}
}//源代码片段来自云代码http://yuncode.net



