网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
1.public class Test{ 2.int x=12; 3.public void method(intx){ 4.x+=x; 5.System.out.println(x); 6.} 7.} Given: 34.Test t=new Test(); 35.t.method(5); What is the output from line 5 of the Test class?()
A

5

B

10

C

12

D

17

E

24


参考答案

参考解析
解析: 暂无解析
更多 “单选题1.public class Test{ 2.int x=12; 3.public void method(intx){ 4.x+=x; 5.System.out.println(x); 6.} 7.} Given: 34.Test t=new Test(); 35.t.method(5); What is the output from line 5 of the Test class?()A 5B 10C 12D 17E 24” 相关考题
考题 阅读下列代码段,选出该代码段的正确文件名( )。 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 in class B"); } }A.A.javaB.A.classC.B.classD.B.java

考题 下列关于Test类的定义中,正确的是______。A) class Test implements Runnabte{public void run(){}public void someMethod(){}B) class Test implements Rnuuable{public void run();}C) class Test implements Rnuuable{public void someMethod();}D) class Test implements Rnuuable{public void someMethod();{}}A.B.C.D.

考题 下面程序的输出结果是什么? class C1{ static int j=0; public void method(int a){ j++; } } class Test extends C1{ public int method(){ return j++; } public void result(){ method(j); System.out.println(j+method()); } public static void main(String args[]){ new TeA.0B.1C.2D.3

考题 下列程序的运行结果是【 】。 include class test { private: int num; public: tes 下列程序的运行结果是【 】。include <iostream. h>class test{private:int num;public:test()int TEST() {return num+100;}~test()};test::test(){num=0;}test::~test(){cout<<"Destructor is active"<<endl;}void main(){test x[3]cout<<x[1]. TEST()<<endl;}

考题 public class Test{2.int x=12;3.public void method(intx){4.x+=x;5.System.out.println(x);6.}7.}Given:34.Test t=new Test();35.t.method(5);What is the output from line 5 of the Test class?() A.5B.10C.12D.17E.24

考题 完成下列类的构造函数,初始化语句为______。 include class Test { private: int x,y 完成下列类的构造函数,初始化语句为______。include<iostream.h>class Test{private:int x,y;public:void Test(int initx,int inity){______}void printx( ){cout<<x<<"-"<<y<<"="<<x-y;}};void main( ){Test x(300,200);x.printx( );}

考题 执行下列代码后,输出的结果为( )。 class Base { int x = 30; void setX( ) {x=1O;} } class SubClass extends Base { int x=40; void setX ( ) {x=20;} int getX( ) {return super. x; } } public class Test { public static void main(String[ ] args) { SubClass sub=new SubClass( ); sub. setX( ); System. out. println(sub, getX( ) ); } }A.10B.20C.30D.40

考题 阅读下列代码段,选出该代码段的正确的文件名( )。 class A { void method () { System.out.println ("methodl 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 () in class B"); } }A.A.javaB.A.classC.B.classD.B.java

考题 执行下面程序,显示的结果为( )。 public class Test { public static void main (String args[]) { Test t=newTest(); System.out.println (Loverload ("2","3")); } int overload (intx,int y) {return x+y;} String overload (String x,Stnng y){return x+y;} }A.2B.3C.5D.23

考题 有以下程序: include class A { intx; public: A(int a) { x=a;} friend class B; 有以下程序:include<iostream.h>class A{int x;public:A(int a){x=a;}friend class B;}class B{public:void print(A a){a. x--;cout<<a.x<<end1;}};void main(){A a(10);B b;b.print(a) ;}程序执行后的输出结果是【 】。

考题 在下列源代码文件Test.java中, ( )是正确的类定义。A.public class test{B.public class Test{ public int x=0;public int x=0; public test (intx) public Test (int x){ {this.x=x; this.x=x;} }} }C.public class Test extends T1,T2{D.protected class Test extends T2{ public int=0;public int x=0; public Test(int x){Public Test (int x){ this.x=x;this.x=x: }} }}

考题 以下代码的输出结果?public class Test{int x=3;public static void main(String argv[]){int x= 012;System.out.println(x);}} A.12B.012C.10D.3

考题 以下代码的输出结果?public class Test{int x=5;public static void main(String argv[]){Test t=new Test();t.x++;change(t);System.out.println(t.x);}static void change(Test m){m.x+=2;}} A. 7B. 6C. 5D. 8

考题 以下程序调试结果为:public class Test {int m=5;public void some(int x) {m=x;}public static void main(String args []) {new Demo().some(7);}}class Demo extends Test {int m=8;public void some(int x) {super.some(x);System.out.println(m);}}A.5B.8C.7D.无任何输出E.编译错误

考题 包pack1的类c_ass1中有成员方法:protected void method_1(){…},private void method_2(){…},public void method_3(){…}和 void method_4(){…},在包pack2中的类class2是class1的子类,它在class2中可以调用方法()。 A、method_1B、method_2C、method_3D、method_4

考题 在Java语言中,包pack1的类class1中有成员方法:  protected void  method_1(){„},  private void method_2() {„},  public void method_3() {„}  和  void method_4() {„},  在包pack2中的类class2不是class1的子类,你在class2中可以调用方法()。 A、method_1B、method_2C、method_3D、method_4

考题 package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?() A、 x = 0B、 x = 42C、 Compilation fails because of an error in line 2 of class Test2.D、 Compilation fails because of an error in line 3 of class Test1.E、 Compilation fails because of an error in line 4 of class Test2.

考题 包pack1的类class1中有成员方法: protected void method_1(){„}, private void method_2() {„},  public void method_3() {„}  和  void method_4() {„},  在包pack2中的类class2是class1的子类,你在class2中可以调用方法()。 A、method_1B、method_2C、method_3D、method_4

考题 abstract class A {  abstract void al();  void a2() { }  }  class B extends A {  void a1() { }  void a2() { }  }  class C extends B { void c1() { } }  and:  A x = new B(); C y = new C(); A z = new C();  Which four are valid examples of polymorphic method calls?()A、 x.a2();B、 z.a2();C、 z.c1();D、 z.a1();E、 y.c1();F、 x.a1();

考题 1. public class Test {  2. int x= 12;  3. public void method(int x) {  4. x+=x;  5. System.out.println(x);  6. }  7. }  Given:  34. Test t = new Test();  35. t.method(5);  What is the output from line 5 of the Test class?() A、 5B、 10C、 12D、 17E、 24

考题 public class Test {} What is the prototype of the default constructor?()  A、 Test()B、 Test(void)C、 public Test()D、 public Test(void)E、 public void Test()

考题 单选题1. public class Test {  2. int x= 12;  3. public void method(int x) {  4. x+=x;  5. System.out.println(x);  6. }  7. }  Given:  34. Test t = new Test();  35. t.method(5);  What is the output from line 5 of the Test class?()A  5B  10C  12D  17E  24

考题 单选题在Java语言中,包pack1的类class1中有成员方法:  protected void  method_1(){„},  private void method_2() {„},  public void method_3() {„}  和  void method_4() {„},  在包pack2中的类class2不是class1的子类,你在class2中可以调用方法()。A method_1B method_2C method_3D method_4

考题 单选题package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?()A  x = 0B  x = 42C  Compilation fails because of an error in line 2 of class Test2.D  Compilation fails because of an error in line 3 of class Test1.E  Compilation fails because of an error in line 4 of class Test2.

考题 多选题包pack1的类class1中有成员方法: protected void method_1(){„}, private void method_2() {„},  public void method_3() {„}  和  void method_4() {„},  在包pack2中的类class2是class1的子类,你在class2中可以调用方法()。Amethod_1Bmethod_2Cmethod_3Dmethod_4

考题 单选题Consider the following class:     class Test(int i) {     void test(int i) {  System.out.println(“I am an int.”); }    void test(String s) {   System.out.println(“I am a string.”);     }          public static void main(String args) {    Test t=new Test();     char ch=“y”;    t.test(ch);     }      }     Which of the statements below is true?()A  Line 5 will not compile, because void methods cannot be overridden.B  Line 12 will not compile, because there is no version of test() that rakes a charargument.C  The code will compile but will throw an exception at line 12.D  The code will compile and produce the following output: I am an int.E  The code will compile and produce the following output: I am a String.

考题 单选题public class Test {} What is the prototype of the default constructor?()A  Test()B  Test(void)C  public Test()D  public Test(void)E  public void Test()