超星 - Quiz for Chapter 4-3

单选题

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

单选题

A. Illegal expression
B. java 123
C. Java6
D. Java123

单选题

A. less than 0
B. greater than 0
C. equal to 0
D. less than or equal to 0

单选题

A. false
B. true

单选题

A. String.toUpperCase("Java")
B. "Java".toUpperCase("Java")
C. toUpperCase("Java")
D. "Java".toUpperCase()

单选题

A. 'v'
B. Nothing will be assigned to x, because the execution causes the runtime error StringIndexOutofBoundsException.
C. 'a'

单选题

A. Integer.parseInteger(s);
B. integer.parseInt(s);
C. integer.parseInteger(s);
D. Integer.parseInt(s);

单选题

A. false
B. true