JAVA OOP questions, please help, thanks. 1. You can create a thread by passing a
ID: 3763057 • Letter: J
Question
JAVA OOP questions, please help, thanks.
1.
You can create a thread by passing an instance of a Runnable as a parameter to the constructor of a new Thread object.
True
False
2.
Given:
public class DemoRunnable implements Runnable{
public void run() {
// some code here
}
}
3.
Which of the following lines of code is suitable to start a thread ?
new Thread (new DemoRunnable()).start();
new Thread (DemoRunnable.class).start();
new DemoRunnable(new Thread()).run();
new DemoRunnable().start();
What is the data type for the parameter of the version of the Thread sleep() method that accepts a single parameter?
byte
int
number
long
A.new Thread (new DemoRunnable()).start();
B.new Thread (DemoRunnable.class).start();
C.new DemoRunnable(new Thread()).run();
D.new DemoRunnable().start();
Explanation / Answer
1.False
we cannot simply create a thread by passing an instance of a Runnable as a parameter to the constructor of a new Thread object. we need to implement the runnable interface.
2.
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