[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fypyk0zAqI5gftSUtAA7ZnJnywvCmXqPUZGOhN6_3g9o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":27},[],"2025-12-09 23:04:23",257539322,[8,9,10,11],"【3】","【4】","【1】","【2】",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46738704","5-Java-第3章作业-2","下列【1】、【2】、【3】、【4】注释标注的哪行代码有错误?( ) class Cat { int leg; static int water; void setLeg(int leg) { this.leg = leg; \u002F\u002F【1】 this.water = 100; \u002F\u002F【2】 } static void setWater(int water) { this.water = water; \u002F\u002F【3】 Cat.water = water; \u002F\u002F【4】 } }",[21,28,33,38,47,55,60,63,72,81],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],257539316,[10,9,11,8],"下列【1】、【2】、【3】、【4】注释标注的哪行代码有错误?( ) class Tom { int x; static int y; void showXY(){ System.out.printf("%d,%d\\n",x,y); } static void showY() { System.out.printf("%d\\n",y); } } public class E { public static void main(String aqgs[]){ Tom.y = 100; \u002F\u002F【1】 Tom cat = new Tom(); cat.x = 100; cat.y = 200; \u002F\u002F【2】 Tom.x = 300; \u002F\u002F【3】 cat.showXY(); Tom.showY(); \u002F\u002F【4】 } }","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":32,"source":26,"type":27},[],257539317,[11,9,10,8],"下列【1】、【2】、【3】、【4】注释标注的哪行代码有错误?( ) class Tom { private int x = 120; protected int y = 20; int z = 11; private void f() { x = 200; System.out.println(x); } void g() { x = 200; System.out.println(x); } } public class E { public static void main(String args[]) { Tom tom = new Tom(); tom.x = 22; \u002F\u002F【1】 tom.y = 33; \u002F\u002F【2】 tom.z = 55; \u002F\u002F【3】 tom.g(); \u002F\u002F【4】 } }",{"answer":34,"createTime":5,"id":35,"options":36,"question":37,"source":26,"type":27},[],257539318,[8,10,11,9],"下列【1】、【2】、【3】、【4】注释标注的哪行代码有错误?( ) public class Animal \u002F\u002F【1】 {} private class Dog \u002F\u002F【2】 {} class Cat \u002F\u002F【3】 {} class _class \u002F\u002F【4】 {}",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":26,"type":27},[],257539319,[42,43,44,45],"源文件可以有2条包语句(package)","源文件不可以有多条import语句","类中的类方法(static方法)只能操作类变量(static变量),不可以操作实例变量","如果源文件有package语句,该语句也可以是源文件的第2条语句","下列哪个叙述是正确的?( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":46,"source":26,"type":27},[],257539320,[51,52,53,54],"局部变量也可以用访问修饰符:public,proteced,private修饰","成员变量有默认值","类中的实例方法可以用类名调用","this可以出现在static方法中",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":26,"type":27},[],257539321,[8,11,10,9],"下列【1】、【2】、【3】、【4】注释标注的哪行代码有错误?( ) class Tom { private int x = 120; protected int y = 20; int z = 11; private void showX() { System.out.println(x); } public void setX(int x) { this.x = x; System.out.println(x); } } public class E { public static void main(String args[]) { Tom tom = new Tom(); tom.setX(22); \u002F\u002F【1】 tom.y = 33; \u002F\u002F【2】 tom.z = 55; \u002F\u002F【3】 tom.showX(); \u002F\u002F【4】 } }",{"answer":61,"createTime":5,"id":6,"options":62,"question":19,"source":26,"type":27},[],[8,9,10,11],{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":26,"type":27},[],257539324,[67,68,69,70],"普通代码块","动态代码块","同步代码块","构造块","下列选项中,不属于代码块的是()",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":26,"type":27},[],257539326,[76,77,78,79],"静态方法能直接引用静态变量","静态方法能直接引用实例变量","实例方法能直接引用实例变量","实例方法能直接引用静态变量","假设满足访问权限的前提下,下列关于实例方法和静态方法的说法中,错误的是( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":26,"type":27},[],257539329,[85,86,87,88],"class a","private class A","public class A","class A","下列哪些类(不包括内部类)声明是错误的?( )"]