[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHX6ntBHt7FQD4fEI1WFA7586OT99zgrbPk616TdxWuw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":31},[],"2025-11-27 07:11:28",242810747,[8,9,10,11],"private","无修饰符","public","protected",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},16,"6ea434b609e7c825524baf2eabd5c67a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F89c0da36529c603cae288ce5005c9f54.jpg","大数据编程基础（Java）","work_47098445","单元3-static+包","下列选项中,可以使在一个类中定义的成员变量只能被同一包中的类访问的是( )",[21,28,32,41,50,59,68,77,86,92],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],242810746,[],"定义圆Circle,静态变量有圆周率(PI)和半径(radius),静态方法有求周长和求面积,在主方法中为圆周率和半径赋值,并调用求周长和求面积的方法输出圆周长和圆面积","v1",6,{"answer":29,"createTime":5,"id":6,"options":30,"question":19,"source":26,"type":31},[],[8,9,10,11],0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":26,"type":31},[],242810748,[36,37,38,39],"将private int m改为protected int m","将private int m改为public int m","将private int m改为static int m","将private int m改为int m","下列代码中,使成员变量m能被方法fun()直接访问的是( ).class test {private int m;public static void fun() { …} }",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":26,"type":31},[],242810749,[45,46,47,48],"t.f","this.n","Test.m","Test.f","已知有如下类的说明,则下列语句正确的是( ). public class Test { private float f=1.0f; int m=12; static int n=1; public static void main(String arg[]) { Test t=new Test(); } }",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":26,"type":31},[],242810750,[54,55,56,57],"编译错误","0","1","运行成功,但不输出","下列程序的执行结果是( ). public class Test { public int aMethod() { static int i=0; i++; System.out.println(i); } public static void main(String args[]) { Test test=new Test(); test.aMethod(); }}",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":26,"type":31},[],242810751,[63,64,65,66],"static void method()","public void method()","final void method()","abstract void method()","为AB类的一个无形式参数无返回值的方法method书写方法头,使得使用类名AB作为前缀就可以调用它,该方法头的形式为( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":26,"type":31},[],242810752,[72,73,74,75],"隐藏","覆盖","重载","Java不支持此特性","在Java中,一个类可同时定义许多同名的方法,这些方法的形式参数的个数、类型或顺序各不相同,传回的值也可以不相同.这种面向对象程序特性称为( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":26,"type":31},[],242810753,[81,82,83,84],"import javax.swing.*","import java.util.Scanner","import lang","import javax.util.Scanner","使用Scanner输入需要导入包( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":90,"source":26,"type":91},[],242810754,[],"下列程序的运行结果是_____. class Static Test { static int x=1; int y; Static Test() { y++; }public static void main(String args[]){Static Test st=new Static Test();System.out.println("x="+x);System.out.println("st.y="+st.y);st=new Static Test();System.out.println("st.y="+st.y);}static {x++;}}",2,{"answer":93,"createTime":5,"id":94,"options":95,"question":96,"source":26,"type":91},[],242810755,[],"下列程序的运行结果是_____. class StaticStuff{ static int x; static{System.out.println("x1="+x);x+=5;} public static void main(String args[]){ System.out.println("x2="+x); } static {System.out.println("x3="+x);x%=3;}}"]