ICSE − Q & A

From where  to study programs..

What is the diiference between math.round () and math.rint ()?

Is Math.sqrt(-9)....runtime or logical error?

+ 1 more questions by san_ika  

Please explain role of keywords try and catch...i m not able to put it into words
asked by Xyz (san_ika) 7 years ago
2

How do fixed income group looses during inflation?

+ 1 more questions by satwindersingh333  

Define supply shock
asked by satwindersingh333 7 years ago
1

Define class point to model points in the X-Y
plane. Define functions to translate a point along
the X and Y axes respectively. Define a function
that calculates the distance from another point. 
P>S>:-Q is from our scope.

Try these true or false questions in if....else
1)Inner if cannot completely be contained in outer if; it should be split in two parts – one within outer if and the other within outer else.
2)Both outer if and the outer else cannot contain a if; inner if should either be in if or in else.
3)When the condition in outer if is evaluated to be false the program control passes onto inner else.
4)Inner if cannot have an else attached to it.
5)A nested if statement can have another if statement nested within it.

Way to learn precedence of operator (I learnt this way before my prelim1 and easily succeeded in learning)
Mnemonic: PUMA - REBEL - CA
Expansion:
P - Paranthesis (), []
U - Unary ++,--, !
M - Multipicative *, /, %
A - Additive  +, - 
R - Relational >, >=, <, <=
E Equality == , !=
B - Bitwise And, Bitwise Or, Bitwise Not
E - Extra
L - Logical AND, Logical Or
C - Conditional assignment (ternary)
A - Assignment =, +=, -=,/=

Whn bowler does nt get the credit of the wicket being take .three instances in  cricket .
P. E. Students pls

*List of doubts coming up*
1) what is class variable
2) What is the difference between class and instance variable
3) On pg 388 of APc, why is the instant variable an object?
4)how are inheritance and encapsulation related
5) What is an interface ( I know it has multiple inheritance but what is it actually . I know you can right click and create it in Blue J.)

can someone explain exception handling?