Assume that the ASCII code for character c is 99 and for a is 97. What is the printout of the following code? System.out.println("AB" + 'a' + 'c');
ABac
B. ABa99
C. AB9799
D. AB196
查看答案
The expression "Java" + 1 + 2 + 3 evaluates to ________.
A. Illegal expression
B. java 123
C. Java6
D. Java123
"ab".compareTo("aB") is _________.
A. less than 0
B. greater than 0
C. equal to 0
D. less than or equal to 0
Suppose s1 and s2 are two strings. What is the result of the following code? s1.equals(s2) == s2.equals(s1)
A. false
B. true
Which of the following is the correct statement to return JAVA?
A. String.toUpperCase("Java")
B. "Java".toUpperCase("Java")
C. toUpperCase("Java")
D. "Java".toUpperCase()
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