Given the code fragment: class CallerThread implements Callable { String str; public CallerThread(String s) {this.str=s;} public String call() throws Exception { return str.concat(“Call”); } } and public static void main (String[] args) throws InterruptedException, ExecutionException { ExecutorService es = Executors.newFixedThreadPool(4); //line n1 Future f1 = es.submit (newCallerThread(“Call”)); String str = f1.get().toString(); System.out.println(str); } Which statement is true?

Given: and the code fragment: Which definition of the ColorSorter class sorts the blocks list?

Given the code fragment: List colors = Arrays.asList(“red”, “green”, “yellow”); Predicate test = n - > { System.out.println(“Searching…”); return n.contains(“red”); }; colors.stream() .f ilter(c -> c.length() > 3) .allMatch(test); What is the result?

Given: Book.java: public class Book { private String read(String bname) { return “Read” + bname } } EBook.java: public class EBook extends Book { public class String read (String url) { return “View” + url } } Test.java: public class Test { public static void main (String[] args) { Book b1 = new Book(); b1.read(“Java Programing”); Book b2 = new EBook(); b2.read(“http://ebook.com/ebook”); } } What is the result?

Given that course.txt is accessible and contains: Course : : Java and given the code fragment: public static void main (String[ ] args) { int i; char c; try (FileInputStream fis = new FileInputStream (“course.txt”); InputStreamReader isr = new InputStreamReader(fis);) { while (isr.ready()) { //line n1 isr.skip(2); i = isr.read (); c = (char) i; System.out.print(c); } } catch (Exception e) { e.printStackTrace(); } } What is the result?

Given the code fragment: UnaryOperator uo1 = s -> s*2; line n1 List loanValues = Arrays.asList(1000.0, 2000.0); loanValues.stream() .filter(lv -> lv >= 1500) .map(lv -> uo1.apply(lv)) .forEach(s -> System.out.print(s + “ “)); What is the result?

Given: and the code fragment: What is the result?

Given: and this code fragment: What is the result?

Given the code fragments: class Caller implements Callable { String str; public Caller (String s) {this.str=s;} public String call()throws Exception { return str.concat (“Caller”);} } class Runner implements Runnable { String str; public Runner (String s) {this.str=s;} public void run () { System.out.println (str.concat (“Runner”));} } and public static void main (String[] args) InterruptedException, ExecutionException { ExecutorService es = Executors.newFixedThreadPool(2); Future f1 = es.submit (ne

What is the result?

Given that data.txt and alldata.txt are accessible, and the code fragment: What is required at line n1 to enable the code to overwrite alldata.txt with data.txt?