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class Beta {  public static void main(String [] args) {  Integer x = new Integer(6) * 7;  if (x != 42) {  System.out.print("42 ");  } else if (x 〈 new Integer(44-1)) {  System.out.println("less");  } else {  System.out.print("done"); } } }  结果是什么?() 

  • A、less
  • B、42
  • C、done
  • D、编译失败

参考答案

更多 “ class Beta {  public static void main(String [] args) {  Integer x = new Integer(6) * 7;  if (x != 42) {  System.out.print("42 ");  } else if (x 〈 new Integer(44-1)) {  System.out.println("less");  } else {  System.out.print("done"); } } }  结果是什么?() A、lessB、42C、doneD、编译失败” 相关考题
考题 下列程序中,实现将封装数据类型Integer和基本数据类型int之间的转换,以及Integer,int类型和String类型之间的转换。请将程序补充完整。程序运行结果如下:123456456public class ex7_1{public static void main(String[]args) {Integer intObj;int n;String s;intObj = new Integer(123);n=intObj.__________;System.out.printin(Integer.toString(n));s=new String("456");intObj=Integer._________;System.out.println(intObj.__________);n=Integer.parseInt(s);System.out.println(Integer.toString(n));}}

考题 classBeta{publicstaticvoidmain(String[]args){Integerx=newInteger(6)*7;if(x!=42){System.out.print(42”);}elseif(xSystem.out.println(less”);}else{System.out.print(done”);}}}结果是什么?() A.doneB.编译失败C.运行的时候有异常抛出D.lessE.42

考题 classBeta{publicstaticvoidmain(String[]args){Integerx=newInteger(6)*7;if(x!=42){System.out.print(42);}elseif(x.equals(42)){System.out.print(dot=);}else{System.out.print(done);}}}结果为:()A.42B.doneC.dot=D.编译失败

考题 classBeta{publicstaticvoidmain(String[]args){Integerx=newInteger(6)*7;if(x!=42){System.out.print(42);}elseif(x〈newInteger(44-1)){System.out.println(less);}else{System.out.print(done);}}}结果是什么?()A.lessB.42C.doneD.编译失败

考题  class Super {  public Integer getLenght() { return new Integer(4); } }  public class Sub extends Super {  public Long GetLenght() { return new Long(5); }  public static void main(String[] args) { Super sooper = new Super();  Sub sub = new Sub();  System.out.println(  sooper.getLenght().toString() + “,” +  sub.getLenght().toString() ); } }  What is the output?()  A、 4,4B、 4,5C、 5,4D、 5,5E、 Compilation fails.

考题 public class Test {  public static void add3 (Integer i) {  int val = i.intValue();  val += 3;  i = new Integer(val); }  public static void main(String args[]) {  Integer i = new Integer(0);  add3(i);  System.out.println(i.intValue());  }  }   What is the result? () A、 0B、 3C、 Compilation fails.D、 An exception is thrown at runtime.

考题 现有:  class ThreadExcept implements Runnable  {  public void run()  {  throw new RuntimeException("exception ");  }  public static void main(Stri_ng  []  args)  {  new  Thread (new  ThreadExcept()).start();  try  {  int x=Integer.parselnt (args [0]);  Thread. sleep (x);  System.out.print("main");  } catch (Exception e)  {  }  }  }  和命令行:  java ThreadExcept l000     哪一个是结果?()    A、mainB、编译失败C、main java.lang.RuntimeException: exceptionD、代码运行,但没有输出

考题 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。

考题 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

考题 class Number {  public static void main(String [] args) {  try {  System.out.print(Integer.parseInt("forty ")); } catch (RuntimeException r) {  System.out.print("runtime ");  } catch (NumberFormatException e) {  System.out.print("number ");  }  }  }  结果是什么?() A、fortyB、numberC、runtimeD、编译失败

考题 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。

考题 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

考题 class Beta {   public static void main(String [] args) {   Integer x = new Integer(6) * 7;   if (x != 42) {   System.out.print("42 ");   } else if (x.equals(42)) {   System.out.print("dot = ");   } else {   System.out.print("done");   } } }   结果为:()  A、42B、doneC、dot =D、编译失败

考题 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

考题 class Passer {  static final int x = 5;  public static void main(String [] args) { new Passer().go(x);  System.out.print(x);  }  void go(int x) {  System.out.print(++x);  }  }  结果是什么?() A、55B、56C、65D、66

考题 public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”);  }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }  public static void badMethod() {  throw new RuntimeException();  }  }  What is the result? () A、 ABB、 BCC、 ABCD、 BCDE、 Compilation fails.

考题 class Beta{   public static void main(String[] args){   Integer x=new Integer(6)*7;   if(x!=42){   System.out.print(“42”);   } else if(xSystem.out.println(“less”);   }else{   System.out.print(“done”);   }}}   结果是什么?()   A、doneB、编译失败C、运行的时候有异常抛出D、lessE、42

考题 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:() A、42B、编译失败C、无输出结果D、运行时异常被抛出

考题 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

考题 单选题现有:  class ThreadExcept implements Runnable  {  public void run()  {  throw new RuntimeException("exception ");  }  public static void main(Stri_ng  []  args)  {  new  Thread (new  ThreadExcept()).start();  try  {  int x=Integer.parselnt (args [0]);  Thread. sleep (x);  System.out.print("main");  } catch (Exception e)  {  }  }  }  和命令行:  java ThreadExcept l000     哪一个是结果?()A mainB 编译失败C main java.lang.RuntimeException: exceptionD 代码运行,但没有输出

考题 单选题public static void main(String[]args){ Integer i=new Integer(1)+new Integer(2); switch(i){ case3:System.out.println("three");break; default:System.out.println("other");break; } } Whatistheresult?()A threeB otherC Anexceptionisthrownatruntime.D Compilationfailsbecauseofanerroronline12.E Compilationfailsbecauseofanerroronline13.F Compilationfailsbecauseofanerroronline15.

考题 单选题class Beta{   public static void main(String[] args){   Integer x=new Integer(6)*7;   if(x!=42){   System.out.print(“42”);   } else if(xSystem.out.println(“less”);   }else{   System.out.print(“done”);   }}}   结果是什么?()A doneB 编译失败C 运行的时候有异常抛出D lessE 42

考题 单选题class Passer {  static final int x = 5;  public static void main(String [] args) { new Passer().go(x);  System.out.print(x);  }  void go(int x) {  System.out.print(++x);  }  }  结果是什么?()A 55B 56C 65D 66

考题 单选题class Beta {  public static void main(String [] args) {  Integer x = new Integer(6) * 7;  if (x != 42) {  System.out.print("42 ");  } else if (x 〈 new Integer(44-1)) {  System.out.println("less");  } else {  System.out.print("done"); } } }  结果是什么?()A lessB 42C doneD 编译失败

考题 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

考题 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

考题 单选题class Beta {   public static void main(String [] args) {   Integer x = new Integer(6) * 7;   if (x != 42) {   System.out.print("42 ");   } else if (x.equals(42)) {   System.out.print("dot = ");   } else {   System.out.print("done");   } } }   结果为:()A 42B doneC dot =D 编译失败