staticblockdemo.java

java入门经典教程 java入门经典教程 java入门经典教程

// 例2.3.5  StaticBlockDemo.java
class StaticBlock
{
    static int a;
    static    // 静态代码块
{            
        System.out.println("Before assigned,a = "+a);
        a = 5;
        System.out.println("After assigned,a = "+a);
    }
}
class StaticBlockDemo
{
    static       // 静态代码块
{         
        System.out.println("The program is running......");
    }
    public static void main(String[] args)
{
    new StaticBlock();
    new StaticBlock();
}
    }