Java Questions Set 29:
Break statement causes an exit from-
Solution:
The Runnable interface contains all the methods used for handling thread related operations in Java
Solution:
Which of these can be used to fully abstract a class from its implementation?
Solution:
Which of the following is a valid array declaration ?
Solution:
Which function of the pre-defined class Thread is used to check whether the current thread being checked is still running?
Solution:
Which of the following is true about Constructor?
Solution:
What will be the output of the following code?
class A
{
public static void main(String args[])
{
String str = "I eat Mango";
System.out.println(str.charAt(2));
}
}
Solution:
What is an Atomic action in Concurrency in Java?
Solution:
During method overloading, which of the following task does not occur?
Solution:
Select the correct option for the following Java code.
public class Abekus extends Thread {
public static void main(String[] args) {
try {
Thread t1 = new Thread(new Abekus());
Thread t2 = new Thread(new Abekus());
t1.start();
t2.start();
}
catch (Exception e) {
System.out.print("First catch");
}
}
public void run() {
for (int i = 0; i < 2; i++)
{
try {
Thread.sleep(100);
}
catch (Exception e) {
System.out.print("Second catch ");
}
System.out.print(Thread.currentThread().getName());
}
}
}
Solution:
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