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.

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、three
  • B、other
  • C、Anexceptionisthrownatruntime.
  • D、Compilationfailsbecauseofanerroronline12.
  • E、Compilationfailsbecauseofanerroronline13.
  • F、Compilationfailsbecauseofanerroronline15.

相关考题:

下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 9; switch (i) { default: System.out.println("default"); case 0: System.out.println("zero"); break; case 1: System.out.println("one"); case 2: System.out.println("two"); } } }A.defaunB.defauh, zeroC.error default clause not definedD.no output displayed

下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 1; switch (i) { case 0: System.out.println("zero"); break; case 1: System.out.println("one"); case 2; System.out.println("two"); default: System.out.println("default"); } } }A.oneB.one,defaultC.one,two,defaultD.default

设有如下程序: import java.util.*; public class Sun { public static void main(String args[ ]) { int score; String a; Random r=new Random(); score=r.nextInt(4)+5; switch(score) { case 0: a="E"; break; case 1: a="D"; break; case 2: a="C"; break; case 3: a="B"; break; default: a="A"; } System.out.println(A) ; } } 程序运行的结果是( )。A.a="A"B.aa"E" a="A"C.a="E"D.a="C"

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));}}

请阅读下面程序 public class ThreadTest{ public static void main(String args[])throws Ex- ception{ int i=0; Hello t=new Hello; ; while(true){ System.Out.println("Good Morning"+i++): if(i= =2t.isAlive){ System.out.println("Main waiting for Hel- lo!"); join;//等待t运行结束 } if(i= =5)break;} } } class Hello extends Thread{ int l; public void run{ while(true)( System.Out.println("Hell0"+i++); if(i= =5)break;)))A.t.sleepB.t.yieldC.t.interruptD.t.start

public static void main(String[]args){for(inti=0;i=10;i++){if(i6)break;}System.out.println(i);}What is the result?() A.6B.7C.10D.11E.Compilation fails.F.Anexception is thrown at runtime.

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.

11.publicstaticvoidmain(String[]args){12.Integeri=uewInteger(1)+newInteger(2);13.switch(i){14.case3:System.out.println(”three”);break;15.default:System.out.println(”other”);break;16.}17.}Whatistheresult?()A.threeB.otherC.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerroronline12.E.Compilationfailsbecauseofanerroronline13.F.Compilationfailsbecauseofanerroronline15.

下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 1; switch (i) { case 0: System.but.println("zero"); break; case 1: System.out.println("one"); case 2: System.out.println("two"); default: System.out.println ("default"); } } }A.oneB.one, defaultC.one, two, defaultD.default

下面程序段的输出结果是( )。 public class Test{ public static void main(String args[]){ int i=1: switch(i){ case0: System.OUt.println("0"); break; casel: System.out.println("1"); case2: System.OUt.println("2"); break; default: System.out.println("default"); } } }A.01B.12C.10D.21

给出下面代码段: public class Test{ public static void main(String args[] ) { int m; switch(m) { case 0: System.out.println("case 0"); case 1: System.out.println("case 1"); break; case 2: break; default: System.out.println("default"); } } } 下列m的值能引起输出“default”的是( )。A.0B.1C.2D.4

设有如下程序public class test {public static void main(String args[]) {Integer intObj=Integer.valueOf(args[args.length-1]);int i = intObj.intValue();if(args.length >1、System.out.println(i);if(args.length >0)System.out.println(i -1、;elseSystem.out.println(i - 2、;}}运行程序,输入如下命令:java test 2则输出为:A. testB. test -1C. 0D. 1E. 2

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.

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.

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

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.

class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()  A、 0B、 1C、 2D、 Compilation fails.

public static void main( String[] args ) {  Integer a = new Integer(10);  Integer b = new Integer(10);  Integer c = a;  int d = 10;  double e = 10.0;  }   Which three evaluate to true?()   A、 (a == c)B、 (d == e)C、 (b == d)D、 (a == b)E、 (b == c)F、 (d == 10.0)

1. public class Boxer1 {  2. Integer i;  3. int x;  4. public Boxer1(int y) {  5. x=i+y;  6. System.out.println(x);  7. }  8. public static void main(String[] args) {  9. new Boxer1(new Integer(4));  10. }  11. }  What is the result?() A、 The value “4” is printed at the command line.B、 Compilation fails because of an error in line 5.C、 Compilation fails because of an error in line 9.D、 A NullPointerException occurs at runtime.E、 A NumberFormatException occurs at runtime.F、 An IllegalStateException occurs at runtime.

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.printIn (i.intValue ( ) );   }    }   What is the result?()A、 Compilation will fail.B、 The program prints “0”.C、 The program prints “3”.D、 Compilation will succeed but an exception will be thrown at line 3.

多选题public static void main( String[] args ) {  Integer a = new Integer(10);  Integer b = new Integer(10);  Integer c = a;  int d = 10;  double e = 10.0;  }   Which three evaluate to true?()A(a == c)B(d == e)C(b == d)D(a == b)E(b == c)F(d == 10.0)

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?()AthreeBotherCAnexceptionisthrownatruntime.DCompilationfailsbecauseofanerroronline12.ECompilationfailsbecauseofanerroronline13.FCompilationfailsbecauseofanerroronline15.

单选题class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()A 0B 1C 2D Compilation fails.

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.

单选题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.

单选题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.printIn (i.intValue ( )  );  } What is the result?()A Compilation will fail.B The program prints “0”.C The program prints “3”.D Compilation will succeed but an exception will be thrown at line 3.

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?()AlessB42CdoneD编译失败