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单选题
Given: What is the result when method testIfA is invoked?（）
A
True
B
Not true
C
An exception is thrown at runtime.
D
Compilation fails because of an error at line 12.
E
Compilation fails because of an error at line 19.
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更多 “单选题Given: What is the result when method testIfA is invoked?（）A TrueB Not trueC An exception is thrown at runtime.D Compilation fails because of an error at line 12.E Compilation fails because of an error at line 19.” 相关考题
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public static void main(String[]args){12.Object obj=new int[]{1,2,3};13.int[] someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋)15.}What is the result?()
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Given:What is the result when the programmer attempts to compile the code and run it with the command java Converter 12?()
A. It is true that j==i.B. It is false that j==i.C. An exception is thrown at runtime.D. Compilation fails because of an error in line 13.
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Given:What is the result when method testIfA is invoked?()
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11. public static void main（String[] args） { 12. Integer i = uew Integer（1） + new Integer（2）； 13. switch（i） { 14. case 3： System.out.println（”three”）； break； 15. default： System.out.println（”other”）； break； 16. } 17. } What is the result？（） A、 threeB、 otherC、 An exception is thrown at runtime.D、 Compilation fails because of an error on line 12.E、 Compilation fails because of an error on line 13.F、 Compilation fails because of an error on line 15.
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11. public void testIfA（） { 12. if（testIfB（”True”）） { 13. System.out.println（”True”）； 14. } else { 15. System.out.println（”Not true”）； 16. } 17. } 18. public Boolean testIfB（String str） { 19. return Boolean.valueOf（str）； 20. } What is the result when method testIfA is invoked？（） A、 TrueB、 Not trueC、 An exception is thrown at runtime.D、 Compilation fails because of an error at line 12.E、 Compilation fails because of an error at line 19.
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11. public static void main（String[] args） { 12. Object obj = new Object（） { 13. public int hashCode（） { 14. returns 42； 15. } 16. }； 17. System.out.println（obj.hashCode（））； 18. } What is the result？ （） A、 42B、 An exception is thrown at runtime.C、 Compilation fails because of an error on line 12.D、 Compilation fails because of an error on line 16.E、 Compilation fails because of an error on line 17.
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11. static class A { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（”B”）； } 16. } 17. public static void main（String[] args） { 18. new B（）.process（）； 19. } What is the result？（） A、 BB、 The code runs with no output.C、 Compilation fails because of an error in line 12.D、 Compilation fails because of an error in line 15.E、 Compilation fails because of an error in line 18.
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package foo； import java.util.Vector； private class MyVector extends Vector { int i = 1； public MyVector（） { i = 2； } } public class MyNewVector extends MyVector { public MyNewVector（） { i = 4； } public static void main（String args[]） { MyVector v = new MyNewVector（）； } } What is the result？（）A、 Compilation succeeds.B、 Compilation fails because of an error at line 5.C、 Compilation fails because of an error at line 6.D、 Compilation fails because of an error at line 14.E、 Compilation fails because of an error at line 17.
考题
class A { public byte getNumber（） { return 1； } } class B extends A { public short getNumber（） { return 2； } public static void main（String args[]） { B b = new B（）； System.out.println（b.getNumber（））； } } What is the result？（）A、 1B、 2C、 An exception is thrown at runtime.D、 Compilation fails because of an error in line 8.E、 Compilation fails because of an error in line 14.
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1. interface TestA { String toString（）； } 2. public class Test { 3. public static void main（String[] args） { 4. System.out.println（new TestA（） { 5. public String toString（） { return “test”； } 6. } 7. } 8. } What is the result？（） A、 testB、 nullC、 An exception is thrown at runtime.D、 Compilation fails because of an error in line 1.E、 Compilation fails because of an error in line 4.F、 Compilation fails because of an error in line 5.
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11. static classA { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（”B “）； } 16. } 17. public static void main（String[] args） { 18.A a=new B（）； 19. a.process（）； 20.} What is the result？（） A、 BB、 The code runs with no output.C、 An exception is thrown at runtime.D、 Compilation fails because of an error in line 15.E、 Compilation fails because of an error in line 18.F、 Compilation fails because of an error in line 19.
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Given： 11. static class A { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（"B "）； } 16. } 17. public static void main（String[] args） { 18. A a = new B（）； 19. a.process（）； 20. } What is the result？ （）A、 Compilation fails because of an error in line 19.B、 An exception is thrown at runtime.C、 BD、 Compilation fails because of an error in line 18.E、 Compilation fails because of an error in line 15. F、 The code runs with no output.
考题
单选题class A { public byte getNumber（） { return 1； } } class B extends A { public short getNumber（） { return 2； } public static void main（String args[]） { B b = new B（）； System.out.println（b.getNumber（））； } } What is the result？（）A
1B
2C
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Compilation fails because of an error in line 8.E
Compilation fails because of an error in line 14.
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单选题11. static classA { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（”B “）； } 16. } 17. public static void main（String[] args） { 18.A a=new B（）； 19. a.process（）； 20.} What is the result？（）A
BB
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An exception is thrown at runtime.D
Compilation fails because of an error in line 15.E
Compilation fails because of an error in line 18.F
Compilation fails because of an error in line 19.
考题
单选题Given: What is the result?（）A
testB
nullC
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Compilation fails because of an error in line 1.E
Compilation fails because of an error in line 4.F
Compilation fails because of an error in line 5.
考题
单选题Given: What is the result?（）A
BB
B, followed by an Exception.C
Compilation fails due to an error on line 9.D
Compilation fails due to an error on line 14.E
An Exception is thrown with no other output.
考题
单选题11. public static void main（String[] args） { 12. Object obj = new Object（） { 13. public int hashCode（） { 14. returns 42； 15. } 16. }； 17. System.out.println（obj.hashCode（））； 18. } What is the result？ （）A
42B
An exception is thrown at runtime.C
Compilation fails because of an error on line 12.D
Compilation fails because of an error on line 16.E
Compilation fails because of an error on line 17.
考题
单选题11. public static void main（String[] args） { 12. Integer i = uew Integer（1） + new Integer（2）； 13. switch（i） { 14. case 3： System.out.println（”three”）； break； 15. default： System.out.println（”other”）； break； 16. } 17. } What is the result？（）A
threeB
otherC
An exception is thrown at runtime.D
Compilation fails because of an error on line 12.E
Compilation fails because of an error on line 13.F
Compilation fails because of an error on line 15.
考题
单选题Given： 11. static class A { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（"B "）； } 16. } 17. public static void main（String[] args） { 18. A a = new B（）； 19. a.process（）； 20. } What is the result？ （）A
Compilation fails because of an error in line 19.B
An exception is thrown at runtime.C
BD
Compilation fails because of an error in line 18.E
Compilation fails because of an error in line 15. F
The code runs with no output.
考题
单选题11. public void testIfA（） { 12. if（testIfB（”True”）） { 13. System.out.println（”True”）； 14. } else { 15. System.out.println（”Not true”）； 16. } 17. } 18. public Boolean testIfB（String str） { 19. return Boolean.valueOf（str）； 20. } What is the result when method testIfA is invoked？（）A
TrueB
Not trueC
An exception is thrown at runtime.D
Compilation fails because of an error at line 12.E
Compilation fails because of an error at line 19.
考题
单选题Given： 11. public static void main（String[] args） { 12. Object obj = new int[] { 1， 2， 3 }； 13. int[] someArray = （int[]）obj； 14. for （int i ： someArray） System.out.print（i + " "）； 15. } What is the result？ （）A
Compilation fails because of an error in line 13.B
A ClassCastException is thrown at runtime.C
1 2 3D
Compilation fails because of an error in line 14.E
Compilation fails because of an error in line 12.
考题
单选题Given： What is the result？（）A
X， followed by an Exception.B
No output， and an Exception is thrown.C
Compilation fails due to an error on line 14.D
Compilation fails due to an error on line 16.E
Compilation fails due to an error on line 17.
考题
单选题Given： What is the result？（）A
An Exception is thrown with no other outputB
followed by an ExceptionC
Compilation fails due to an error on line 9D
Compilation fails due to an error on line 14
考题
单选题11. static class A { 12. void process（） throws Exception { throw new Exception（）； } 13. } 14. static class B extends A { 15. void process（） { System.out.println（”B”）； } 16. } 17. public static void main（String[] args） { 18. new B（）.process（）； 19. } What is the result？（）A
BB
The code runs with no output.C
Compilation fails because of an error in line 12.D
Compilation fails because of an error in line 15.E
Compilation fails because of an error in line 18.
考题
单选题1. interface TestA { String toString（）； } 2. public class Test { 3. public static void main（String[] args） { 4. System.out.println（new TestA（） { 5. public String toString（） { return “test”； } 6. } 7. } 8. } What is the result？（）A
testB
nullC
An exception is thrown at runtime.D
Compilation fails because of an error in line 1.E
Compilation fails because of an error in line 4.F
Compilation fails because of an error in line 5.
考题
单选题Given: What is the result when method testIfA is invoked?（）A
TrueB
Not trueC
An exception is thrown at runtime.D
Compilation fails because of an error at line 12.E
Compilation fails because of an error at line 19.
考题
单选题Given: What is the result?（）A
The code runs with no output.B
An exception is thrown at runtime.C
Compilation fails because of an error in line 20.D
Compilation fails because of an error in line 21.E
Compilation fails because of an error in line 23.F
Compilation fails because of an error in line 25.
考题
单选题Given: What is the result?（）A
BB
The code runs with no output.C
Compilation fails because of an error in line 12.D
Compilation fails because of an error in line 15.E
Compilation fails because of an error in line 18.
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