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
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
相关考题:
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));}}
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
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
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
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.
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
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
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
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。
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
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
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
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
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.
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
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 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?()AmainB编译失败Cmain java.lang.RuntimeException: exceptionD代码运行,但没有输出
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 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?()AdoneB编译失败C运行的时候有异常抛出DlessE42
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?()A55B56C65D66
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
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
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:()A42BdoneCdot =D编译失败