Exam 1z0-809 topic 1 question 21 discussion

A is correct answer. Tested.

A is the correct answer: import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); System.out.print("Enter GDP: "); int GDP = Integer.parseInt(br.readLine()); System.out.println("GDP entered: " + GDP); } }

A is the correct answer. import java.util.concurrent.atomic.AtomicInteger; class MyThread implements Runnable { private static AtomicInteger count = new AtomicInteger(0); public void run() { int x = count.incrementAndGet(); System.out.print(x + " "); } } public class Main { public static void main(String[] args) { Thread thread1 = new Thread(new MyThread()); Thread thread2 = new Thread(new MyThread()); Thread thread3 = new Thread(new MyThread()); Thread[] ta = { thread1, thread2, thread3 }; for (int x = 0; x < 3; x++) { ta[x].start(); } } }

A is correct.

Correct answer is A.

Answer is A

a is correct. there's no sync block or method in runnable.

A is correct, tested

B is correct answer