Given a correctly compiled class whose source code is： package com.sun.sjcp； public class Commander { public static void main（String[] args） { // more code here } } Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains “.“ （current directory）. Which command line correctly runs Commander？（） A、 java CommanderB、 java com. sim. sjcp.CommanderC、 java com/sun/sjcp/CommanderD、 java -cp com.sun.sjcp CommanderE、 java -cp com/sun/sjcp Commander
Given a correctly compiled class whose source code is： package com.sun.sjcp； public class Commander { public static void main（String[] args） { // more code here } } Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains “.“ （current directory）. Which command line correctly runs Commander？（）
- A、 java Commander
- B、 java com. sim. sjcp.Commander
- C、 java com/sun/sjcp/Commander
- D、 java -cp com.sun.sjcp Commander
- E、 java -cp com/sun/sjcp Commander
相关考题：
package com.sun.sjcp；public class Commander{public static void main（String[]args）{//more code here}}Assume that the class fileis located in /foo/com/sun/sjcp/，the current directory is/foo/，and that the classpath contains.（current directory）.Which command line correctly runs Commander？（）A.java CommanderB.java com.sim.sjcp.CommanderC.java com/sun/sjcp/CommanderD.java-cpcom.sun.sjcp CommanderE.java-cpcom/sun/sjcp Commander
Given:Which three methods, inserted individually at line 14, will correctly complete class Two?() A.int foo() { /* more code here */ }B.void foo() { /* more code here */ }C.public void foo() { /* more code here */ }D.private void foo() { /* more code here */ }E.protected void foo() { /* more code here */ }
If this source code is contained in a file called SmallProg.java， what command should be used to compile it using the JDK？（） public class SmallProg { public static void main（String args[]） { System.out.println（"Good luck!"）； } } A、java SmallProgB、avac SmallProgC、javac SmallProg.javaD、java SmallProg main
public class Test { public static void main （String args） { string foo = “blue”； string bar = foo； foo = “green”； System.out.printIn（bar）； } } What is the result？（） A、 An exception is thrown.B、 The code will not compile.C、 The program prints “null”D、 The program prints “blue”E、 The program prints “green”
Which declarations will allow a class to be started as a standalone program？（） A、public void main（String args[]）B、public void static main（String args[]）C、public static main（String[] argv）D、final public static void main（String [] array）E、public static void main（String args[]）
public class Foo { public void main（ String[] args ） { System.out.println（ “Hello” + args[0] ）； } } What is the result if this code is executed with the command line？（）A、 HelloB、 Hello FooC、 Hello worldD、 Compilation fails.E、 The code does not run.
class One { void foo（） {} } class Two extends One { //insert method here } Which three methods， inserted individually at line 14， will correctly complete class Two？（）A、 int foo（） { /* more code here */ }B、 void foo（） { /* more code here */ }C、 public void foo（） { /* more code here */ }D、 private void foo（） { /* more code here */ }E、 protected void foo（） { /* more code here */ }
package com.sun.sjcp； public class Commander{ public static void main（String[]args）{ //more code here } } Assume that the class fileis located in /foo/com/sun/sjcp/，the current directory is/foo/，and that the classpath contains“.“（current directory）. Which command line correctly runs Commander？（）A、java CommanderB、java com.sim.sjcp.CommanderC、java com/sun/sjcp/CommanderD、java-cpcom.sun.sjcp CommanderE、java-cpcom/sun/sjcp Commander
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
public class foo { public static void main （String[]args） { String s； system.out.printIn （“s=” + s）； } } What is the result？（） A、 The code compiles and “s=” is printed.B、 The code compiles and “s=null” is printed.C、 The code does not compile because string s is not initialized.D、 The code does not compile because string s cannot be referenced.E、 The code compiles， but a NullPointerException is thrown when toString is called.
public class foo { static String s； public static void main （String[]args） { system.out.printIn （“s=” + s）； } } What is the result？（） A、 The code compiles and “s=” is printed.B、 The code compiles and “s=null” is printed.C、 The code does not compile because string s is not initialized.D、 The code does not compile because string s cannot be referenced.E、 The code compiles， but a NullPointerException is thrown when toString is called.
package sun.scjp； public enum Color { RED， GREEN， BLUE } package sun.beta； // insert code here public class Beta { Color g = GREEN； public static void main（ String[] argv） { System.out.println（ GREEN）； } } The class Beta and the enum Color are in different packages. Which two code fragments， inserted individually at line 2 of the Beta declaration， will allow this code to compile？（）A、 import sun.scjp.Color.*；B、 import static sun.scjp.Color.*；C、 import sun.scjp.Color； import static sun.scjp.Color.*；D、 import sun.scjp.*； import static sun.scjp.Color.*；E、 import sun.scjp.Color； import static sun.scjp.Color.GREEN；
Given a class Repetition： 1.package utils； 2. 3.public class Repetition{ 4.public static String twice（Strings）{returns+s；} 5.} and given another class Demo： 1.//insert code here2. 3.public class Demo{ 4.public static void main（String[]args）{ 5.System.out.println（twice（"pizza"））； 6.} 7.} Which code should be inserted at line 1 of Demo.java to compile and run Demo to print“pizzapizza”？（）A、import utils.*；B、static import utils.*；C、importutils.Repetition.*；D、static importutils.Repetition.*；E、import utils.Repetition.twice（）；F、import static utils.Repetition.twice；G、static import utils.Repetition.twice；
public class Foo { public static void main（String[] args） { try { return； } finally { System.out.println（ “Finally” ）； } } } What is the result？（）A、 FinallyB、 Compilation fails.C、 The code runs with no output.D、 An exception is thrown at runtime.
Given classes defined in two different files： 1. package util； 2. public class BitUtils { 3. public static void process（byte[]） { /* more code here */ } 4. } 1. package app； 2. public class SomeApp { 3. public static void main（String[] args） { 4. byte[] bytes = new byte[256]； 5. // insert code here 6. } 7. } What is required at line 5 in class SomeApp to use the process method of BitUtils？（） A、 process（bytes）；B、 BitUtils.process（bytes）；C、 util.BitUtils.process（bytes）；D、 SomeApp cannot use methods in BitUtils.E、 import util.BitUtils.*； process（bytes）；
Given a class Repetition： 1. package utils； 2. 3. public class Repetition { 4. public static String twice（String s） { return s + s； } 5. } and given another class Demo： 1. // insert code here 2. 3. public class Demo { 4. public static void main（String[] args） { 5. System.out.println（twice（”pizza”））； 6. } 7. } Which code should be inserted at line 1 of Demo.java to compile and run Demo to print“pizzapizza”？（） A、 import utils.*；B、 static import utils.*；C、 import utils.Repetition.*；D、 static import utils.Repetition. *；E、 import utils.Repetition.twice（）；F、 import static utils.Repetition.twice；G、 static import utils.Repetition.twice；
Given the following code, write a line of code that, when inserted at the indicated location, will make the overriding method in Extension invoke the overridden method in class Base on the current object. class Base { public void print（ ） { System.out.println("base"); } } class Extention extends Base { public void print（ ） { System.out.println("extension"); // insert line of implementation here } } public class Q294d { public static void main(String args[]) { Extention ext = new Extention（ ）; ext.print（ ）; } } Fill in a single line of implementation.（）
10. interface Foo {} 11. class Alpha implements Foo {} 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main（ String[] args） { 15. Beta x = new Beta（）； 16. // insert code here 17. } 18. } Which code， inserted at line 16， will cause a java.lang.ClassCastException？（） A、 Alpha a = x；B、 Foo f= （Delta）x；C、 Foo f= （Alpha）x；D、 Beta b = （Beta）（Alpha）x；
Given： 10. class One { 11. void foo（） { } 12. } 13. class Two extends One { 14. //insert method here 15. } Which three methods， inserted individually at line 14， will correctly complete class Two？（）A、 public void foo（） { /* more code here */ }B、 private void foo（） { /* more code here */ }C、 protected void foo（） { /* more code here */ }D、 int foo（） { /* more code here */ } E、 void foo（） { /* more code here */ }
多选题Given： 10. class One { 11. void foo（） { } 12. } 13. class Two extends One { 14. //insert method here 15. } Which three methods， inserted individually at line 14， will correctly complete class Two？（）Apublic void foo（） { /* more code here */ }Bprivate void foo（） { /* more code here */ }Cprotected void foo（） { /* more code here */ }Dint foo（） { /* more code here */ }Evoid foo（） { /* more code here */ }
多选题Given: Which three methods, inserted individually at line 14, will correctly complete class Two?（）Aint foo() { /* more code here */ }Bvoid foo() { /* more code here */ }Cpublic void foo() { /* more code here */ }Dprivate void foo() { /* more code here */ }Eprotected void foo() { /* more code here */ }
单选题Given a correctly compiled class whose source code is： package com.sun.sjcp； public class Commander { public static void main（String[] args） { // more code here } } Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains “.“ （current directory）. Which command line correctly runs Commander？（）A java CommanderB java com. sim. sjcp.CommanderC java com/sun/sjcp/CommanderD java -cp com.sun.sjcp CommanderE java -cp com/sun/sjcp Commander
单选题public class Foo { public static void main（String[] args） { try { return； } finally { System.out.println（ “Finally” ）； } } } What is the result？（）A FinallyB Compilation fails.C The code runs with no output.D An exception is thrown at runtime.
单选题public class Foo { public void main（ String[] args ） { System.out.println（ “Hello” + args[0] ）； } } What is the result if this code is executed with the command line？（）A HelloB Hello FooC Hello worldD Compilation fails.E The code does not run.
多选题class One { void foo（） {} } class Two extends One { //insert method here } Which three methods， inserted individually at line 14， will correctly complete class Two？（）Aint foo（） { /* more code here */ }Bvoid foo（） { /* more code here */ }Cpublic void foo（） { /* more code here */ }Dprivate void foo（） { /* more code here */ }Eprotected void foo（） { /* more code here */ }
单选题public class Test { public static void main （String [] args） { string foo = “blue”； string bar = foo； foo = “green”； System.out.printIn（bar）； } } What is the result？（）A An exception is thrown.B The code will not compile.C The program prints “null”D The program prints “blue”E The program prints “green”
单选题Given a class Repetition： 1.package utils； 2. 3.public class Repetition{ 4.public static String twice（Strings）{returns+s；} 5.} and given another class Demo： 1.//insert code here2. 3.public class Demo{ 4.public static void main（String[]args）{ 5.System.out.println（twice（"pizza"））； 6.} 7.} Which code should be inserted at line 1 of Demo.java to compile and run Demo to print“pizzapizza”？（）Aimport utils.*；Bstatic import utils.*；Cimportutils.Repetition.*；Dstatic importutils.Repetition.*；Eimport utils.Repetition.twice（）；Fimport static utils.Repetition.twice；Gstatic import utils.Repetition.twice；