Type Casting in Java | Odia Code Lover | Java Programming tutorial | Java Interview Question Answer
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a) The output of the following program is ___
// filename Main.java
class Main {
public static void main(String args[]) {
System.out.println(fun());
}
int fun() {
return 20;
}
}
a) 20
b) compilation error
c) run time error
d) None of the above
b) Pointers are eliminated from java because ____.
a) Pointer lead to confusion for a programmer
b) Pointers may crash a program easily
c)Pointers break security
d) All of the above
c) Java supports all types of inheritance except ____.
a) Single inheritance
b) Multiple inheritance
c) Multi-level inheritance
d) Hierarchical inheritance
e) Multiple inheritance
d) If a number is in string, to convert it into integer __ method is used.
e) Stream can be used for _____.
a) To receive data from input device
b) Send data to an output device
c) Both i and ii
d) None of the above
f) ___ thread always runs in a Java program by default.
a) main thread b) daemon thread c) default thread d) All of the above
g) AWT stands for ____.
a) Any Window Toolkit
b) Application Window Toolkit
c) Abstract Window Toolkit
d) Abstract Writing ToolKit
h) __ is an inner class whose name is not mentioned, and for which only
one object is created.
i) Which of these functions is called to display the output of an applet?
a) display()
b) print()
c) displayApplet()
d) printApplet()
j) Which of these method is used to find out that a thread is still running or not?
a) run()
b) Alive()
c) isAlive()
d) checkRun()
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