public class Test {

static{

System.out.println("静态区");

}

{

System.out.println("非静态！");

}

private int i;

 

public Test(int i) {

super();

this.i = i;

}

 

public Test() {

System.out.println("构造器！！");

}

public static void main(String[] args) {

new Test();

}

}

 

输出:

静态区

非静态！

构造器！！