New question 147 given the code fragment liststring

NEW QUESTION 147
Given the code fragment:
List<String> nL = Arrays.asList(“Jim”, “John”, “Jeff”); Function<String, String> funVal = s -> “Hello : “.contact(s); nL.Stream()
.map(funVal)
.peek(System.out::print); What is the result?
A. Hello : Jim Hello : John Hello : Jeff
B. Jim John Jeff
C. The program prints nothing.
D. A compilation error occurs.
Answer: C
NEW QUESTION 148
Given:
class RateOfInterest {
public static void main (String[] args) { int rateOfInterest = 0;
String accountType = “LOAN”; switch (accountType) {
case “RD”; rateOfInterest = 5; break;
case “FD”; rateOfInterest = 10; break;
default:
assert false: “No interest for this account”; //line n1
}
System.out.println (“Rate of interest:” + rateOfInterest);
}
}
and the command:
java –ea RateOfInterest What is the result?
B
NEW QUESTION 153
Given the code fragment:
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What is the result?
D
NEW QUESTION 156
Given the code fragment:
What is the result?
C
NEW QUESTION 159
Assume customers.txt is accessible and contains multiple lines. Which code fragment prints the contents of the customers.txt file?
A. Stream<String> stream = Files.find (Paths.get (“customers.txt”)); stream.forEach((String c) -> System.out.println(c));
B. Stream<Path> stream = Files.find (Paths.get (“customers.txt”)); stream.forEach( c) -> System.out.println(c));
C. Stream<Path> stream = Files.list (Paths.get (“customers.txt”)); stream.forEach( c) -> System.out.println(c));
D. Stream<String> lines = Files.lines (Paths.get (“customers.txt”)); lines.forEach( c) -> System.out.println(c));
Answer: A
NEW QUESTION 163
Given the code fragment:
Which statement can be inserted into line n1 to print 1,2; 1,10; 2,20;?
B
NEW QUESTION 168
Given:
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