现有: class Parser extends Utils { public static void main (String[] args) { try{System.out.print (new Parser().getlnt("42")); } catch (Exception e) { System.out.println("Exc"); } } int getlnt (String arg) throws Exception { return Integer.parselnt (arg); } class Utils { int getlnt (String arg) {return 42; } } 结果为() A、 42B、 ExcC、 42ExcD、编译失败
现有: class Parser extends Utils { public static void main (String[] args) { try{System.out.print (new Parser().getlnt("42")); } catch (Exception e) { System.out.println("Exc"); } } int getlnt (String arg) throws Exception { return Integer.parselnt (arg); } class Utils { int getlnt (String arg) {return 42; } } 结果为()
- A、 42
- B、 Exc
- C、 42Exc
- D、编译失败
相关考题:
现有classParserextendsUtils{publicstaticvoidmain(String[]args){try{System.out.print(newParser().getlnt("42"))}catch(Exceptione){System.out.println("Exc");}}intgetlnt(Stringarg)throwsException{returnInteger.parselnt(arg);}}classUtils{intgetlnt(){return42;}}结果是什么?()
现有:classParserextendsUtils{publicstaticvoidmain(String[]args){try{System.out.print(newParser().getlnt(42));}catch(Exceptione){System.out.println(Exc);}}intgetlnt(Stringarg)throwsException{returnInteger.parselnt(arg);}classUtils{intgetlnt(Stringarg){return42;}}结果为()A.42B.ExcC.42ExcD.编译失败
static void test() throws RuntimeException { try { System.out.print(”test “); throw new RuntimeException(); } catch (Exception ex) { System.out.print(”exception “); } } public static void main(String[] args) { try { test(); } catch (RuntimeException ex) { System.out.print(”runtime “); } System.out.print(”end “); } What is the result?() A、 test endB、 Compilation fails.C、 test runtime endD、 test exception endE、 A Throwable is thrown by main at runtime.
现有: class Parser (类)extends(继承) Utils { public static void main(String [] args) { System.out.print(输出打印)(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为:() A、 42B、 编译失败。C、 无输出结果。D、 运行时异常被抛出。
现有 class Parser extends Utils { public static void main (String [] args) { try { System.out.print (new Parser () .getlnt ("42")) } catch (Exception e) { System.out.println ("Exc") ; } } int getlnt (String arg) throws Exception { return Integer.parselnt (arg) ; } } class Utils { int getlnt () { return 42; } } 结果是什么?() A、 42ExcB、 ExcC、 42D、编译失败
现有: class Parser extends Utils { public static void main(String [] args) { System.out.print(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为() A、 42B、 编译失败。C、 无输出结果。D、 运行时异常被抛出。
static void test() { try { String x=null; System.out.print(x.toString() +“ “); } finally { System.out.print(“finally “); } } public static void main(String[] args) { try { test(); } catch (Exception ex) { System.out.print(”exception “); } } What is the result?() A、 nullB、 finallyC、 null finallyD、 Compilation fails.E、 finally exception
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?() A、 finallyB、 exception finishedC、 finally exception finishedD、 Compilation fails.
class Parser extends Utils { public static void main (String [] args) { try { System.out.print(new Parser().getInt("42")); } catch (NumberFormatException n) { System.out.println("NFExc "); } } int getInt(String arg) throws NumberFormatException { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) { return 42; } } 结果为:() A、42B、NFExcC、42NFExcD、编译失败
现有: class Flow { public static void main(String [] args) try { System. out .print ("before") ; doRiskyThing ( ) ; System.out.print ("after ") ; } catch (Exception fe) { System.out.print ("catch") ; } System. out .println ( " done") ; } public static void doRiskyThing() throws Exception{ // this code returns unless it throws an Exception }} 可能会产生哪两项结果 ?() A、 before catchB、 before after doneC、 before catch doneD、 before after catch
现有: class Parser extends Utilis { public static void main (String [] args) { try { System. out.print (new Parser ( ) .getlnt ("42")} ; } catch (NumberFormatException n) { System.out .println ( "NFExc" ) ; } } int getlnt (String arg) throws NumberFormatException{ return Integer.parselnt (arg) ; } class Utils { int getlnt (String arg) { return 42; } } 结果为 :()A、 NFExcB、 42C、 42NFExcD、编译失败
class Flow { public static void main(String [] args) { try { System.out.print("before "); doRiskyThing(); System.out.print("after "); } catch (Exception fe) { System.out.print("catch "); } System.out.println("done "); } public static void doRiskyThing() throws Exception { // this code returns unless it throws an Exception } } 可能会产生下面哪两项结果?() A、beforeB、before catchC、before after doneD、before catch done
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?() A、 mainB、 编译失败C、 代码运行,但没有输出D、 main java.lang.RuntimeException: exception
static void test() throws Error { if (true) throw new AssertionError(); System.out.print(”test “); } public static void main(String[] args) { try { test(); } catch (Exception ex) { System.out.print(”exception “); } System.out.print(”elld “); } What is the result?() A、 endB、 Compilation fails.C、 exception endD、 exception test endE、 A Throwable is thrown by main.F、 An Exception is thrown by main.
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") ; } } 结果是()A、 inner outerB、 middle outerC、 inner middle outerD、.编译失败
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 "); } } 结果为:() A、innerB、inner outerC、middle outerD、inner middle outer
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?() A、 Ex0 caughtB、 exception caughtC、 Compilation fails because of an error at line 2.D、 Compilation fails because of an error at line 6.
class Parser extends Utils { public static void main(String [] args) { System.out.print(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为:() A、42B、编译失败C、无输出结果D、运行时异常被抛出
单选题static void test() { try { String x=null; System.out.print(x.toString() +“ “); } finally { System.out.print(“finally “); } } public static void main(String[] args) { try { test(); } catch (Exception ex) { System.out.print(”exception “); } } What is the result?()A nullB finallyC null finallyD Compilation fails.E finally exception
单选题现有: class Parser extends Utils { public static void main (String[] args) { try{System.out.print (new Parser().getlnt("42")); } catch (Exception e) { System.out.println("Exc"); } } int getlnt (String arg) throws Exception { return Integer.parselnt (arg); } class Utils { int getlnt (String arg) {return 42; } } 结果为()A 42B ExcC 42ExcD编译失败
单选题现有: class Parser extends Utilis { public static void main (String [] args) { try { System. out.print (new Parser ( ) .getlnt ("42")} ; } catch (NumberFormatException n) { System.out .println ( "NFExc" ) ; } } int getlnt (String arg) throws NumberFormatException{ return Integer.parselnt (arg) ; } class Utils { int getlnt (String arg) { return 42; } } 结果为 :()A NFExcB 42C 42NFExcD编译失败
单选题现有: 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") ; } } 结果是()A inner outerB middle outerC inner middle outerD.编译失败
单选题static void test() throws RuntimeException { try { System.out.print(”test “); throw new RuntimeException(); } catch (Exception ex) { System.out.print(”exception “); } } public static void main(String[] args) { try { test(); } catch (RuntimeException ex) { System.out.print(”runtime “); } System.out.print(”end “); } What is the result?()A test endB Compilation fails.C test runtime endD test exception endE A Throwable is thrown by main at runtime.
单选题class Parser extends Utils { public static void main(String [] args) { System.out.print(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为:()A42B编译失败C无输出结果D运行时异常被抛出
单选题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?()A finallyB exception finishedC finally exception finishedD Compilation fails.
单选题现有: 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?()A mainB 编译失败C 代码运行,但没有输出D main java.lang.RuntimeException: exception
单选题现有 class Parser extends Utils { public static void main (String [] args) { try { System.out.print (new Parser () .getlnt ("42")) } catch (Exception e) { System.out.println ("Exc") ; } } int getlnt (String arg) throws Exception { return Integer.parselnt (arg) ; } } class Utils { int getlnt () { return 42; } } 结果是什么?()A 42ExcB ExcC 42D编译失败