What will be the output of the following Java program?
class box
{
int width;
int height;
int length;
int volume;
void volume()
{
volume = width*height*length;
}
}
class Output
{
public static void main(String args[])
{
box obj = new box();
obj.height = 1;
obj.length = 5;
obj.width = 5;
obj.volume();
System.out.println(obj.volume);
}
}
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Which of the following is a method having same name as that of it's class?
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What is the stored in the object obj in following lines of Java code?
box obj;
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Which concept of Java is a way of converting real world objects in terms of class?
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Which component is responsible to optimize bytecode to machine code?
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What will be the output of the following Java code?
class box
{
int width;
int height;
int length;
int volume;
box()
{
width = 5;
height = 5;
length = 6;
}
void volume()
{
volume = width*height*length;
}
}
class constructor_output
{
public static void main(String args[])
{
box obj = new box();
obj.volume();
System.out.println(obj.volume);
}
}
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Which of the following is a valid declaration of an object of class Box?
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What is it called where child object gets killed if parent object is killed?
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Which of these keywords is used to make a class?
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Which component is responsible for converting bytecode into machine specific code?
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What is false about constructor?
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Which of these packages contains the exception Stack Overflow in Java?
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What will be the output of the following Java program?
class equality
{
int x;
int y;
boolean isequal()
{
return(x == y);
}
}
class Output
{
public static void main(String args[])
{
equality obj = new equality();
obj.x = 5;
obj.y = 5;
System.out.println(obj.isequal());
}
}
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What will be the output of the following Java program?
class box
{
int width;
int height;
int length;
}
class mainclass
{
public static void main(String args[])
{
box obj1 = new box();
box obj2 = new box();
obj1.height = 1;
obj1.length = 2;
obj1.width = 1;
obj2 = obj1;
System.out.println(obj2.height);
}
}
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What is the return type of Constructors?
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Which of the following has the highest memory requirement?
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What will be the output of the following Java code?
class A
{
A()throws IOException
{
}
}
class B extends A
{
B()
{
}
public static void main(String[]args)
{
}
}
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Abstract class cannot have a constructor.
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Which of the following is not OOPS concept in Java?
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Garbage Collection can be controlled by a program?
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