现有: class TestApp{ public static void main (String[] args){ for (int i=0; iA、0123B、012456789C、0123456789D、012
现有: class TestApp{ public static void main (String[] args){ for (int i=0; i
- A、0123
- B、012456789
- C、0123456789
- D、012
相关考题:
public class Yippee2{stati cpublic void main(String[]yahoo){for(intx=1;xSystem.out.print(yahoo[x]+);}}}and the command line invocation:java Yippee2 a b cWhat is the result?() A.abB.bcC.abcD.Compilation fails.E.An exception is thrown at runtime.
程序: class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int[] nums){ int result = 1; for(int x :nums) result *= x; return result; } } 程序运行后的输出是哪项?() A、 14B、 编译错误C、 120D、 24
class TestApp{ public static void main (String[ ] args){ for(int i=0;i10;i++){ if(i==3) break; System.out.print (i); } } } 程序运行后的输出是哪项?() A、0123B、012C、0123456789D、012456789
Which three demonstrate an “is a” relationship?() A、 public class X { } public class Y extends X { }B、 public interface Shape { } public interface Rectangle extends Shape{ }C、 public interface Color { } public class Shape { private Color color; }D、 public interface Species { } public class Animal { private Species species; }E、 public class Person { } public class Employee { public Employee(Person person) { }F、 interface Component { } class Container implements Component { private Component[] children; }
public class Yippee2{ stati cpublic void main(String[]yahoo){ for(intx=1;xA、abB、bcC、abcD、Compilation fails.E、An exception is thrown at runtime.
public class TestApp{ public int mymethod(){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); }finally{ System.out.print(“4”); } return 1; } } 上述程序运行后的输出是哪项?() A、 4B、 14C、 41D、 以上都不对
Which two allow the class Thing to be instantiated using new Thing()?A、 public class Thing { }B、 public class Thing { public Thing() {} }C、 public class Thing { public Thing(void) {} }D、 public class Thing { public Thing(String s) {} }E、 public class Thing { public void Thing() {} public Thing(String s) {} }
现有: class TestApp{ public static void main (String[] args){ int [5] myarray={ 10, 11, 12, 13, 14); int sum=0; for (int x : myarray) sum+=x; System. out. println( "sum= "+sum); } } 上述程序运行后的结果是哪项?()A、sum=10B、sum=70C、sum=60D、运行时抛出异常
现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?() A、0123B、012456789C、 0123456789D、 012
现有: interface Data {public void load();} abstract class Info {public abstract void load();} 下列类定义中正确使用Data和Info的是哪项?() A、 public class Employee implements Info extends Data { public void load(){/*dosomething*/} }B、public class Employee extends Inf.implements Data{ public void load() {/*do something*/} }C、public class Empl.yee implements Inf extends Data{ public void Data.1oad(){* do something*/} public void load(){/*do something*/} }D、public class Employee extends Inf implements Data { public void Data.1oad() {/*do something*/) public void info.1oad(){/*do something*/} }
Which two demonstrate an “is a” relationship?() A、 public interface Person { } public class Employee extends Person { }B、 public interface Shape { } public class Employee extends Shape { }C、 public interface Color { } public class Employee extends Color { }D、 public class Species { } public class Animal (private Species species;)E、 interface Component { } Class Container implements Component ( Private Component[ ]children; )
What produces a compiler error?() A、 class A { public A(int x) {} }B、 class A {} class B extends A { B() {} }C、 class A { A() {} } class B { public B() {} }D、 class Z { public Z(int) {} } class A extends Z {}
现有: class TestA { public void start() { System.out.println("TestA"); } } public class TestB extends TestA { public void start() { System.out.println("TestB"); } public static void main (string[] args) ( ((TestA)new TestB()).start(); ) } 运行结果是哪项?() A、 TeStAB、 TeStBC、编译失败D、运行时抛出异常
现有 public class Parentt public void change (int x){) ) public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?() A、 protected void change (int x){}B、 public void change(int x, int y){}C、 public void change (int x){}D、 public void change (String s){}
单选题public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); } catch(Exception e){ System.out.print(“3”); } finally{ System.out.print(“4”); } } } 上述程序运行后的输出是哪项?()A 4B 34C 43D 14
单选题现有: interface Data {public void load();} abstract class Info {public abstract void load();} 下列类定义中正确使用Data和Info的是哪项?()A public class Employee implements Info extends Data { public void load(){/*dosomething*/} }Bpublic class Employee extends Inf.implements Data{ public void load() {/*do something*/} }Cpublic class Empl.yee implements Inf extends Data{ public void Data.1oad(){* do something*/} public void load(){/*do something*/} }Dpublic class Employee extends Inf implements Data { public void Data.1oad() {/*do something*/) public void info.1oad(){/*do something*/} }
单选题程序: class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int[] nums){ int result = 1; for(int x :nums) result *= x; return result; } } 程序运行后的输出是哪项?()A 14B 编译错误C 120D 24
单选题现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()A0123B012456789C 0123456789D 012
单选题现有 public class Parentt public void change (int x){) ) public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()A protected void change (int x){}B public void change(int x, int y){}C public void change (int x){}D public void change (String s){}
单选题class TestApp{ public static void main (String[ ] args){ for(int i=0;i10;i++){ if(i==3) break; System.out.print (i); } } } 程序运行后的输出是哪项?()A0123B012C0123456789D012456789
单选题public class TestApp{ public static void main(String[] args){ try{ String myname = null; if(myname.length()2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } } } 上述程序运行后的输出是哪项?()A 1B 12C 21D 2
单选题现有: class TestApp{ public static void main (String[] args){ int [5] myarray={ 10, 11, 12, 13, 14); int sum=0; for (int x : myarray) sum+=x; System. out. println( "sum= "+sum); } } 上述程序运行后的结果是哪项?()Asum=10Bsum=70Csum=60D运行时抛出异常
单选题现有: class TestA { public void start() { System.out.println("TestA"); } } public class TestB extends TestA { public void start() { System.out.println("TestB"); } public static void main (string[] args) ( ((TestA)new TestB()).start(); ) } 运行结果是哪项?()A TeStAB TeStBC编译失败D运行时抛出异常
多选题现有: public class TestDemo{ private int X-2; static int y=3; public void method(){ final int i=100; int j =10; class Cinner { public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?()AXByCjDi
单选题现有: interface Animal { void eat () ; } //insert code here public class HouseCat extends Feline { public void eat() { } } 和五个申明 abstract class Feline implements Animal { } abstract class Feline implements Animal { void eat () ; } abstract class Feline implements Animal { public void eat();} abstract class Feline implements Animal { public void eat() {} } abstract class Feline implements Animal { abstract public void eat();} 结果为:()A1B2C3D4
单选题public class Yippee2{ stati cpublic void main(String[]yahoo){ for(intx=1;xAabBbcCabcDCompilation fails.EAn exception is thrown at runtime.
单选题现有: class TestApp{ public static void main (String[] args){ for (int i=0; iA0123B012456789C0123456789D012