______means that a program written for one computer system can be compiled and run on another system with little or no modification．A．PortabilityB．ReliabilityC．AvailabilityD．ReusabilityA．B．C．D．
______means that a program written for one computer system can be compiled and run on another system with little or no modification．
A．Portability
B．Reliability
C．Availability
D．Reusability
A．
B．
C．
D．
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 = 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
publicclassThreads2implementsRunnable{publicvoidnun（）{System.out.println（”run.”）；thrownewRuntimeException（”Problem”）；}publicstaticvoidmain（String[]args）{Threadt=newThread（newThreads2（））；t.start（）；System.out.println（”Endofmethod.”）；}}Whichtwocanberesults？（）A.java.lang.RuntimeException：ProblemB.run. java.lang.RuntimeException：ProblemC.Endofmethod. java.lang.RuntimeException：ProblemD.Endofmethod. run.java.lang.RuntimeException：ProblemE.run. java.lang.RuntimeException：ProblemEndofmethod.
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
编译和执行以下代码，输出结果是( )。 int i=1; switch (i) { case 0: System.out.print("zero,"); break; case 1: System.out.print("one,"); case 2: System.out.print("two,"); default: System.out.println("default"); }A．one，B．one,two,C．one,two,defaultD．default
3. PLC处于（）模式时，允许进行自由端口通讯。 A.RUN模式 B.PROGRAM模式 C. 监控模式 D.都可以A．RUN模式B．PROGRAM模式C．监控模式D．都可以