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单选题
定义类: package utils; public class Rep{ public static String twice (String s){return s+s ;} } 再定义另一个类Demo: //insert code here public class Demo{ public static void main (String[] args){ System. out .println( twice( "Hello")); } } 在第一行插入哪项代码,可以使程序正常编译和执行?()
A
import utils.*;
B
import utils.Rep.*;
C
import static utils.Rep.twice;
D
static import utils.Rep.twice;
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更多 “单选题定义类: package utils; public class Rep{ public static String twice (String s){return s+s ;} } 再定义另一个类Demo: //insert code here public class Demo{ public static void main (String[] args){ System. out .println( twice( "Hello")); } } 在第一行插入哪项代码,可以使程序正常编译和执行?()A import utils.*;B import utils.Rep.*;C import static utils.Rep.twice;D static import utils.Rep.twice;” 相关考题
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定义类: package utils; public class Rep{ public static String twice (String s){return s+s ;} } 再定义另一个类Demo: //insert code here public class Demo{ public static void main (String[] args){ System. out .println( twice( "Hello")); } } 在第一行插入哪项代码,可以使程序正常编译和执行?() A、import utils.*;B、 import utils.Rep.*;C、 import static utils.Rep.twice;D、 static import utils.Rep.twice;
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考题
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”?()A
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考题
单选题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
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static import utils.Repetition.twice;
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