单项选择题
public class Yippee {
public static void main(String [] args) {
for(int x = 1; x < args.length; x++) {
System.out.print(args[x] +“ “);
}
}
}
and two separate command line invocations:
java Yippee
java Yippee 1234
What is the result?()
A. No output is produced. 123
B. No output is produced. 234
C. No output is produced. 1234
D. An exception is thrown at runtime. 123
E. An exception is thrown at runtime. 234
F. An exception is thrown at rijntime. 1234
相关考题
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单项选择题
Given the command line java Pass2 and: public class Pass2 { public void main(String [] args) { int x=6; Pass2 p = new Pass2(); p.doStuff(x); System.out.print(” main x = “+ x); } void doStuff(int x) { System.out.print(” doStuffx = “+ x++); } } What is the result?()
A. Compilation fails.
B. An exception is thrown at runtime.
C. doStuffx = 6 main x = 6
D. doStuffx = 6 main x = 7
E. doStuffx = 7 main x = 6
F. doStuffx = 7 main x = 7 -
单项选择题
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 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 -
单项选择题
11. public class Counter { 12. public static void main(String[] args) { 13. int numArgs = /* insert code here */; 14. } 15. } and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?()
A. args.count
B. args.length
C. args.count()
D. args.length()
E. args.getLength()
