ICSE − Q & A

Any home science students wat should v learn from consumer education,consumer rights & food adulteration???

I have tried memorizing the order of precedence ..but it's a tedious task...any tricks that may help ??

http://www.respaper.com/saika/4631-pdf.html mates see Q43..what is the ans of j)"65".compareTo("A");.
Pls explain

So another set of questions here. Don't use pc first for these. Give the outputs:
1) Math.sqrt(-25);
2) Math.round(Math.sqrt(-25));
3) Math.rint(Math.sqrt(-25));

+ 1 more questions by dwaipayanray1  

A question for you guys.find the error in the following code segment. class test { int a,b; void init() { a=1;b=2; } public static void main (String args []) { System.out.println(a+" "+b); }}
asked by Dwaipayan Ray (dwaipayanray1) 9 years ago
2

Name the OOP principle that deals with --(in comments)

Please answer the question in comments

please tell the important  types of programs of array and library which are highly expected.>

please answer both the questions in the comment

please tell me the logic behind the series  1, 11, 111, 1111 , n terms
PS :  I don't need the whole program

is Wi-Fi hacking possible ?