package demo;

public class Test{

int num1;

int num2;

static int num3;

public Test(){

num1=91;

System.out.println("通过构造方法给num1赋值");

    }

{num2=74;

System.out.println("通过初始化块给num2赋值");

}

static{

num3=83;

System.out.println("通过静态初始化块给静态变量num3赋值");

}

public static void main(String[] args){

Test hi=new Test();

System.out.println("num1= "+hi.num1);

    System.out.println("num2= "+hi.num2);

    System.out.println("num3= "+num3);

    hi.num1=18;

    hi.num2=33;

    num3=88;

    System.out.println("赋值后"+"num1= "+hi.num1+" num2= "+hi.num2+" num3= "+num3);

    Test hi2=new Test();

    System.out.println("初始化后"+"num1= "+hi2.num1+" num2= "+hi2.num2+" num3= "+num3);}

}