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单选题
研究下面的Java代码: public class testException{ public static void main(String args[]){ int a[]={0,1,2,3,4}; int sum=0; try{ for(int i=1;i<6;i++) sum=sum+a[i]; System.out.println("sum="+sum); } catch(ArrayIndexOutOfBoundsException ){ System.out.println("数组越界"); } finally{ System.out.println("程序结束");} } } 输出结果将是()。
A
10 数组越界 程序结束
B
10 程序结束
C
数组越界 程序结束
D
程序结束
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更多 “单选题研究下面的Java代码: public class testException{ public static void main(String args[]){ int a[]={0,1,2,3,4}; int sum=0; try{ for(int i=1;i6;i++) sum=sum+a[i]; System.out.println("sum="+sum); } catch(ArrayIndexOutOfBoundsException ){ System.out.println("数组越界"); } finally{ System.out.println("程序结束");} } } 输出结果将是()。A 10 数组越界 程序结束B 10 程序结束C 数组越界 程序结束D 程序结束” 相关考题
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研究下面的Java代码: public class testException{ public static void main(String args[]){ int a[]={0,1,2,3,4}; int sum=0; try{ for(int i=1;i6;i++) sum=sum+a[i]; System.out.println("sum="+sum); } catch(ArrayIndexOutOfBoundsException ){ System.out.println("数组越界"); } finally{ System.out.println("程序结束");} } } 输出结果将是()。 A、10 数组越界 程序结束B、10 程序结束C、数组越界 程序结束D、程序结束
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public class EqTest{() Public static void main(String args[]) EqTest e=new EqTest(); } EqTest(){ String s=”Java”; String s2=”java”; //在这儿放置测试代码 {Systrm.out.println(“相等”); Else{System.out.println(“不相等”)} } } 在上面的java代码的注释行位置,放置()测试代码能输出“相等”结果 A、if(s==s2)B、if(s.equals(s2))C、if(s.equalsIgnoreCase(s2))D、if(s.noCaseMatch(s2))
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Public class test ( Public static void stringReplace (String text) ( Text = text.replace (‘j’ , ‘i’); ) public static void bufferReplace (StringBuffer text) ( text = text.append (“C”) ) public static void main (String args[]} ( String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”); stringReplace (textString); BufferReplace (textBuffer); System.out.printLn (textString + textBuffer); ) ) What is the output?()
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1. public class Exception Test { 2. class TestException extends Exception {} 3. public void runTest() throws TestException {} 4. public void test() /* Point X */ { 5. runTest(); 6. } 7. } At Point X on line 4, which code is necessary to make the code compile?() A、 No code is necessary.B、 throws ExceptionC、 catch ( Exception e )D、 throws RuntimeExceptionE、 catch ( TestException e)
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public class ExceptionTest { class TestException extends Exception {} public void runTest () throws TestException {} public void test () /* Point X*/ { runTest (); } } At point X on line 4, which code can be added to make the code compile?() A、 Throws Exception.B、 Catch (Exception e).C、 Throws RuntimeException.D、 Catch (TestException e).E、 No code is necessary.
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public class Foo { static int[] a; static { a[0]=2; } public static void main( String[] args) {} } Which exception or error will be thrown when a programmer attempts to run this code?() A、 java.lang. StackOverflowErrorB、 java.lang.IllegalStateExceptionC、 java.lang.ExceptionlnlnitializerErrorD、 java.lang.ArraylndexOutOfBoundsException
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以下的Java程序代码中,错误的行是() A、 public class FirstAdd{ }B、 public static void main(String args[]){ }C、 注释:显示 “天天好心情!”D、 System.out.println(“天好心情!”);
考题
单选题public class MyExample{ public static void main(String args[]) { System.out.println(args[2]) }} 如果以下列命令行运行: java MyExample Aptech online 上述代码将输出()。A
MyExampleB
AptechC
OnlineD
产生异常: java.lang.ArrayIndexOutOfBoundsException
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单选题public class ExceptionTest { class TestException extends Exception {} public void runTest () throws TestException {} public void test () /* Point X*/ { runTest (); } } At point X on line 4, which code can be added to make the code compile?()A
Throws Exception.B
Catch (Exception e).C
Throws RuntimeException.D
Catch (TestException e).E
No code is necessary.
考题
单选题研究下面的Java代码: public class testException{ public static void main(String args[]){ int a[]={0,1,2,3,4}; int sum=0; try{ for(int i=1;i6;i++) sum=sum+a[i]; System.out.println("sum="+sum); } catch(ArrayIndexOutOfBoundsException ){ System.out.println("数组越界"); } finally{ System.out.println("程序结束");} } } 输出结果将是()。A
10 数组越界 程序结束B
10 程序结束C
数组越界 程序结束D
程序结束
考题
填空题Public class test ( Public static void stringReplace (String text) ( Text = text.replace („j„ , „i„); ) public static void bufferReplace (StringBuffer text) ( text = text.append (“C”) ) public static void main (String args ){ String textString = new String (“java”); StringBuffer text BufferString = new StringBuffer (“java”); stringReplace (textString); BufferReplace (textBuffer); System.out.printIn (textString + textBuffer); } ) What is the output?()
考题
单选题1. public class Exception Test { 2. class TestException extends Exception {} 3. public void runTest() throws TestException {} 4. public void test() /* Point X */ { 5. runTest(); 6. } 7. } At Point X on line 4, which code is necessary to make the code compile?()A
No code is necessary.B
throws ExceptionC
catch ( Exception e )D
throws RuntimeExceptionE
catch ( TestException e)
考题
单选题public class Foo { static int[] a; static { a[0]=2; } public static void main( String[] args) {} } Which exception or error will be thrown when a programmer attempts to run this code?()A
java.lang. StackOverflowErrorB
java.lang.IllegalStateExceptionC
java.lang.ExceptionlnlnitializerErrorD
java.lang.ArraylndexOutOfBoundsException
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