intellij社群版+jdk.7

package com.static_life;
import com.SVS2;
/**
 * Created by Administrator on 2016/12/21.
 */
public class StaticVariableStart {

    public static int  age = 124;
    public String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public static void main(String [] args){


        SVS2 svs2;//breakpoint
        svs2= new SVS2();//
        String s = SVS2.string;

        StaticVariableStart staticVariableStart = new StaticVariableStart();



        System.out.print(SVS2.class.getGenericSuperclass());

    }
}

package com;

/**
 * Created by Administrator on 2016/12/21.
 */
public class SVS2 {

    public static String string = "";

    {
        System.out.println("這是程式碼塊");
    }

    static {


        System.out.println("這是SVS2 的靜態程式碼塊");
    }


}

breakpoint2：SVS2.string = ""；SVS2載入，取到值，並且 自動執行了SVS2中的程式碼塊，靜態程式碼塊優先。