[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f58TEMP14DRY3OB37rA8Q9cgyFyWyrudw1tfIyvAsiDo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":93},[],"2025-11-27 07:11:28",242810755,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},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;}}",[17,24,34,43,52,61,70,79,88,94],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],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":25,"createTime":5,"id":26,"options":27,"question":32,"source":22,"type":33},[],242810747,[28,29,30,31],"private","无修饰符","public","protected","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( )",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":22,"type":33},[],242810748,[38,39,40,41],"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":44,"createTime":5,"id":45,"options":46,"question":51,"source":22,"type":33},[],242810749,[47,48,49,50],"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":53,"createTime":5,"id":54,"options":55,"question":60,"source":22,"type":33},[],242810750,[56,57,58,59],"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":62,"createTime":5,"id":63,"options":64,"question":69,"source":22,"type":33},[],242810751,[65,66,67,68],"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":71,"createTime":5,"id":72,"options":73,"question":78,"source":22,"type":33},[],242810752,[74,75,76,77],"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":80,"createTime":5,"id":81,"options":82,"question":87,"source":22,"type":33},[],242810753,[83,84,85,86],"import javax.swing.*","import java.util.Scanner","import lang","import javax.util.Scanner","使用Scanner输入需要导入包( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":92,"source":22,"type":93},[],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":95,"createTime":5,"id":6,"options":96,"question":15,"source":22,"type":93},[],[]]