[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSc4XSapDb3dp6plATnm3v4GUPACmLYTMcbOeNnPtya8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":109},[],"2023-05-23 19:25:39",25953542,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},82,"705281d4ac8dd1f61ed4e9e955d5932b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F31fffd9b1ab8ed93a1abd0aec5eb6142.jpg","面向对象程序设计","exam_94098394","第三、四章复习(1)","请阅读程序,写出程序运行结果. \u002F\u002F写出程序运行结果 class Eye {\u002F\u002F 猫的眼睛类 private String color; public Eye(String color) { this.color = color; } } class Cat {\u002F\u002F 猫类 private String name; private Eye eye; public Cat(String name, Eye eye) { this.name = name; this.eye = eye; } public boolean equals(Object obj) { Cat cat = (Cat) obj; if (this.name.equals(cat.name) && this.eye == cat.eye) return true; return false; } } public class CatDemo { public static void main(String[] args) { Eye e1=new Eye("蓝色"); Eye e2=new Eye("蓝色"); Cat tom=new Cat("Tome",e1); Cat jack=new Cat("Jack",e2); System.out.println(tom==jack); System.out.println(tom.equals(jack)); } }",[17,28,37,46,55,64,73,82,91,100],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],25953464,[21,22,23,24],"B.java","A.java","B.class","A.class","对于下面代码,正确的Java源程序文件名是( ). class A { void method1() { System.out.println("Method1 in class A"); } } public class B { void method2() { System.out.println("Method2 in class B"); } public static void main(String[] args) { System.out.println("main() inclass B"); } }","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],25953465,[32,33,34,35],"C x = new B( )","B x = new B( )","B x = new C( )","C x = new C( )","已知类B是类C的父类,则不正确的语句是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],25953466,[41,42,43,44],"包","对象","接口","方法","在Java程序中,( )是最基本的元素",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],25953467,[50,51,52,53],"构造方法不可以进行方法重载","构造方法不返回任何值","构造方法用来初始化该类新对象的成员变量","构造方法具有和类名相同的名称","关于构造方法,下列错误的说法是( )",{"answer":56,"createTime":5,"id":57,"options":58,"question":63,"source":26,"type":27},[],25953468,[59,60,61,62],"3 4","6","7","8","在Java中,以下程序编译运行后的输出结果为( ). public class Test { int x, y; Test(int x, int y) { this.x = x; this.y = y; } public static void main(String[] args) { Test pt1, pt2; pt1 = new Test(3, 3); pt2 = new Test(4, 4); System.out.print(pt1.x + pt2.x); } }",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":26,"type":27},[],25953469,[68,69,70,71],"super关键字是在子类对象内部指代其父类对象的引用","子类可以通过super关键字调用父类的属性","子类可以通过super关键字调用父类的方法","super关键字不仅可以指代子类的直接父类还可以指代父类的父类","1下列选项中关于Java中,super关键字的说法错误的是( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":26,"type":27},[],25953470,[77,78,79,80],"X xo = new X( )","X xo","public X xo=new X( )","X x = new X(12)","已经定义如下类X,( )能够实例化X对象. class X{ int a; }",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":26,"type":27},[],25953471,[86,87,88,89],"public float aMethod(int a, Person b){ return 0;}","public int aMethod(int x,Person y,int x){ return 1;}","public float aMethod(Person y, float x){ return 0; }","private float aMethod(float a, float b, Person c){ return 0; }","定义如下Exam类,以下哪个方法插入①处是不合法的.( ) class Exam { \u002F\u002F插入一个方法 ① public int aMethod(int x, Person y) {\u002F\u002F已经定义Person类 return 1; } }",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":26,"type":27},[],25953472,[95,96,97,98],"public class Test extends Object{ ... }","void class Point{ ... }","final class Operators{ ... }","class Point{ ... }","关于类的定义,错误的是( )",{"answer":101,"createTime":5,"id":102,"options":103,"question":108,"source":26,"type":27},[],25953473,[104,105,106,107],"静态方法可以访问静态成员变量,不可以访问实例成员变量","静态方法可以访问静态成员变量,也可以访问实例成员变量","静态方法不可以访问静态成员变量,也不可以访问实例成员变量","实例方法可以访问静态成员变量,不可以访问实例成员变量","下面关于静态方法和实例方法的描述,正确的是( )",9]