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11.classA {的答案

11.classA { 
12. public void process() { System.out.print(”A “); } } 
13. class B extends A { 
14. public void process() throws RuntimeException { 
15. super.process(); 
16. if (true) throw new RuntimeException(); 
17. System.out.print(“B”); }} 
18. public static void main(String[] args) { 
19. try { ((A)new B()).process(); } 
20. catch (Exception e) { System.out.print(”Exception “); } 
21. } 
What is the result?() 

单选题
2022-01-04 17:19
A、 Exception
B、 A Exception
C、 A Exception B
D、 A B Exception
E、 Compilation fails because of an error in line 14.
F、 Compilation fails because of an error in line 19.
查看答案

正确答案
B

试题解析

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4. 
5. if(name == null) { 
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7. } 
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class java { 
public static void main(String [] java) {  
for (int Java = 1; Java 〈 java.length; Java++)  
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和命令行: 
java java java java java  
结果为:()  

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total 0  
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public void run() { 
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相关题目

Given:  
11. public void genNumbers() {  
12. ArrayList numbers = new ArrayList();  
13. for (int i=0; i<10; i++) {
14. int value = i * ((int) Math.random());  
15. Integer intObj = new Integer(value);  
16. numbers.add(intObj);  
17. }  
18. System.out.println(numbers);  
19. }  
Which line of code marks the earliest point that an object referenced by intObj becomes a  candidate for garbage collection?()

11. public void genNumbers() { 
12. ArrayList numbers = new ArrayList(); 
13. for (int i=0; i<10; i++) { 
14. int value = i * ((int) Math.random()); 
15. Integer intObj = new Integer(value); 
16. numbers.add(intObj); 
17. } 
18. System.out.println(numbers); 
19. } 
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public MeGo(String vin) { 
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What two must the programmer do to correct the compilation errors?()

1. class Pizza { 
2. java.util.ArrayList toppings; 
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4. toppings.add(topping);
5. } 
6. } 
7. public class PepperoniPizza extends Pizza { 
8. public void addTopping(String topping) { 
9. System.out.println(”Cannot add Toppings”); 
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12. Pizza pizza = new PepperoniPizza(); 
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 public class X { 
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 modify(s); 
 System.out.printIn(s); 
 } 
 public static void modify (String s)  { 
 s += “world!”;  
   } 
 }     
What is the result?()  

分析下列Java代码:  
class A { 
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method();   }     
static void method()    {     try    { 
System.out.println("Hello");    System.exit(0);    }   
finally   { 
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编译运行后,输出结果是()。  
  

1. public class SimpleCalc { 
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3. public void calculate() { value += 7; } 
4. }
And: 
1. public class MultiCalc extends SimpleCalc { 
2. public void calculate() { value -= 3; } 
3. public void calculate(int multiplier) { 
4. calculate(); 
5. super.calculate(); 
6. value *=multiplier; 
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8. public static void main(String[] args) { 
9. MultiCalc calculator = new MultiCalc(); 
10. calculator.calculate(2); 
11. System.out.println(”Value is: “+ calculator.value); 
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13. } 
What is the result?() 

What is wrong with the following code?()  
class MyException extends Exception {}  
public class Qb4ab {  
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public void bar() throws MyException {  
throw new MyException(); 
}  
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class Birds { 
public static void main(String [] args) { 
try { 
throw new Exception(); 
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try { 
throw new Exception(); 
} catch (Exception e2) { System.out.print("inner "); } 
System.out.print("middle ");
} 
System.out.print("outer "); 
} 
} 
结果为:()  

现有: 
class Birds { 
public static void main (String  []  args)  {  
try { 
throw new Exception () ;   
} catch (Exception e) {  
try { 
 throw new Exception () ; 
}  catch  (Exception e2)  {  System.out.print ("inner           "); } 
 System. out.print ( "middle" ) ;   
} 
System.out.print ("outer") ;   
}   
} 
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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. }  
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public class Test { 
public static void aMethod() throws Exception { 
try { 
throw new Exception();
} finally { 
System.out.println(“finally”); 
} 
} 
public static void main(String args[]) { 
try { 
aMethod(); 
} catch (Exception e) { 
System.out.println(“exception”); 
} 
System.out.println(“finished”); 
} 
} 
What is the result?()  

现有: 
void topGo()  {     
try  { 
middleGo(); 
}  catch  (Exception e)  {     
System.out.print("catch");     
}     
} 
void middleGo()  throws Exception  {    
go(); 
system.out.print("late middle");    
} 
void go()  throws ExceptiOn  {    
throw new Exception();    
}
如果调用 topGo () ,则结果为:() 

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?() 

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?() 

import java.io.IOException;  
public class ExceptionTest(  
public static void main (Stringargs) 
try (  
methodA();  
) catch (IOException e) (  
system.out.printIn(“Caught IOException”); 
) catch (Exception e) (  
system.out.printIn(“Caught Exception”);  
)  
)  
public void methodA () {  
throw new IOException (); 
}    
What is the result?()  

1. class Exc0 extends Exception { } 
2. class Exc1 extends Exc0 { } 
3. public class Test { 
4. public static void main(String args[]) { 
5. try { 
6. throw new Exc1(); 
7. } catch (Exc0 e0) { 
8. System.out.println(“Ex0 caught”); 
9. } catch (Exception e) { 
10. System.out.println(“exception caught”); 
11. } 
12. } 
13. } 
What is the result?()  

现有:  
class ThreadExcept implements Runnable {  
public void run() { throw new RuntimeException("exception "); } 
public static void main(String [] args) {  
new Thread(new ThreadExcept()).start();  
try {  
int x = Integer.parseInt(args[0]);  
Thread.sleep(x);  
System.out.print("main ");   
} catch (Exception e) { }     
}  
}  
和命令行: 
java ThreadExcept 1000   
哪一个是结果?() 

11.classA { 
12. public void process() { System.out.print(”A “); } } 
13. class B extends A { 
14. public void process() throws RuntimeException { 
15. super.process(); 
16. if (true) throw new RuntimeException(); 
17. System.out.print(“B”); }} 
18. public static void main(String[] args) { 
19. try { ((A)new B()).process(); } 
20. catch (Exception e) { System.out.print(”Exception “); } 
21. } 
What is the result?() 

11.classa { 
12. public void process() { System.out.print(”a,”); } } 
13. class b extends a { 
14. public void process() throws IOException { 
15. super.process(); 
16. System.out.print(”b,”); 
17. throw new IOException(); 
18. } } 
19. public static void main(String[] args) { 
20. try { new b().process(); } 
21. catch (IOException e) { System.out.println(”Exception”); } } 
What is the result?() 

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