71. Method overriding is combination of inheritance and polymorphism?
72. Which exception is thrown when java is out of memory?
73. What is Recursion in Java?
74. Which function is used to perform some action when the object is to be destroyed?
75. Which of these statement is incorrect?
76. What will be the output of the following Java code?
class box
{
int width;
int height;
int length;
int volume;
void finalize()
{
volume = width*height*length;
System.out.println(volume);
}
protected void volume()
{
volume = width*height*length;
System.out.println(volume);
}
}
class Output
{
public static void main(String args[])
{
box obj = new box();
obj.width=5;
obj.height=5;
obj.length=6;
obj.volume();
}
}
class box
{
int width;
int height;
int length;
int volume;
void finalize()
{
volume = width*height*length;
System.out.println(volume);
}
protected void volume()
{
volume = width*height*length;
System.out.println(volume);
}
}
class Output
{
public static void main(String args[])
{
box obj = new box();
obj.width=5;
obj.height=5;
obj.length=6;
obj.volume();
}
}77. Which of the following is a garbage collection technique?
78. What will be the output of the following Java program?
class recursion
{
int func (int n)
{
int result;
if (n == 1)
return 1;
result = func (n - 1);
return result;
}
}
class Output
{
public static void main(String args[])
{
recursion obj = new recursion() ;
System.out.print(obj.func(5));
}
}
class recursion
{
int func (int n)
{
int result;
if (n == 1)
return 1;
result = func (n - 1);
return result;
}
}
class Output
{
public static void main(String args[])
{
recursion obj = new recursion() ;
System.out.print(obj.func(5));
}
}79. What is true about private constructor?
80. Where is a new object allocated memory?
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