ICSE − Q & A

1) Class as an abstract data type. Explain.
2) Class as User defined data type. Explain. 
3) Class as a composite data type.
and 4)Object as instance of class.
Please explain according to a 2 mark answer. Thanks:)

can we use reverse function of string buffer to reverse the characters of string 
do it include any extra steps

Where can I find solutions for APC book back questions??

Write java statement
to invoke the parameterized constructor of pupil class by passing the values 4,5 and 6

We have to create the main in function overloading program. Right? Cause i have seen many people on respaper telling that in function overloading programs we dont have to

2 difference between for and whole loop

whoeven has made his official return :)

TWO TRICKY OBSERVATION QUESTIONS( *TOOK ME HALF AN HOUR :)*):
1)int x=0,y=0;
for (x=1,x<=6;x+=3)
for (int y=15;y>1;y-=x*7)
System . out . println(y-x);
System . out . println(y);

2)What will be the contents of the array assuming that the inputs are 6,5,9,2:
boolean ans[]=new boolean[4];int pnumb=0;
System . out . println("Enter 5 integers:");
for (int i=0;i<5;i++)
{
numb=scan.nextInt();
if (i!=0)ans[i]=pnumb>numb;
pnumb=numb;
}

A keyword which distinguishes between instance variables and class variables,wt is it??

name the function that accepts the character from the keyboard.....can anyone plz tell this ans..