筆者自高中二年級之後就開始在學承電腦上Java課程，因為自己本身有在使用Linux，所以非常了解Java語言跨平台的好處，自從接觸Java程式語言之後就愛上了它，之後還陸續買了許多本Java的書籍。後來拿到了TQC+的Java程式設計專業人員認證，覺得應該要再來拿拿Oracle的原廠認證，好跟國際接軌，便報考了Java 8的Oracle Certified Associate和Oracle Cer...
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標籤：OCPJP
What is the result?
A. {1007 = A, 1002 = C, 1001 = B, 1003 = B}
B. {1001 = B, 1002 = C, 1003 = B, 1007 = A}
C. {1002 = C, 1003 = B, 1007 = A}
D. {1007 = A, 1001 = B, 1003 = B, 1002 = C}
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Which code fragment should be inserted at line n1 to enable the code to print Rat Cat Lion Tiger?
A. Arrays.sort(strArray, CheckClass::checkValue);
B. Arrays.sort(strArray, (CheckClass::new)::checkVa...
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What is the result?
A. A file with the name log.txt is created in the /data directory and the content of the /data/december/log.txt file is copied to it.
B. The program executes successfully and does...
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Which modification enables the code fragment to print Happy Journey!?
A. Replace line n1 with public void ride() throws FuelNotAvailException {
B. Replace line n1 with protected void ride() throws...
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What is the result?
A.
/app/sys/log
/readme/server/exe
B.
/app/log/sys
/server/exe/readme
C.
/app/./sys/log
/readme
D.
/app/./sys/log
/server/exe/readme
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What is the result?
A. [A Guide to Java Tour:3.0, Beginning with Java:2.0]
B. [Beginning with Java:2.0, A Guide to Java Tour:3.0]
C. A compilation error occurs because the Book class does not overrid...
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What is the result?
A. 0
B. 2
C. 3
D. 4
E. 5
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Which statement is true?
A. Moveable can be used as below:
Moveable<Integer> animal = n -> System.out.println("Running" + n);
animal.run(100);
animal.walk(20);
B. Moveable can be used as below:
Movea...
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What is the result of running the code with the -ea option?
A. -10
B. 0
C. An AssertionError is thrown.
D. A compilation error occurs.
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