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1) three attributes required for class declaration
2) howany default constructor can a class have. 1 right. KIPs says 4
asked by Ansh Anand (teleansh) 5 years ago
2

+ 2 more questions by teleansh  

https://www.respaper.com/bgis108/595-pdf.html Question 8 how to do it without using the split function?
asked by Justanotherone (urgurl) 5 years ago
2

+ 2 more questions by urgurl  

Can we use reverse()  or replace()
asked by Ayush Agarwal (qwertyuiop12345678901234567890) 5 years ago
2
is anyone having a problem in downloading the papers??
asked by Abir Bahl (abirbahl) 5 years ago
2
Program for prime factorization of a number
asked by (godblessme20) 5 years ago
1
What does \f and \r do in java??
asked by Sanjay (sanjay673) 5 years ago
2
Ok, I'm really sorry to share this so late(It's been few hours since it's release...) BUT HERE'S A NEW TRAILER OF AVENGERS: ENDGAME. Trust me, it gives goosebumps. No.1 trending on YouTube!
See it in the response below(I know many of you would've seen it already...) :
asked by Rg (rikhil32) 5 years ago
2
Class10 ( COMPUTER SYLLABUS)
THEORY – 100 Marks
1. Revision of Class IX Syllabus
(i) Elementary Concept of Objects and Classes.
(ii) Values and types.
(iii)Conditionals and non-nested loops.
2. Class as the Basis of all Computation 
Objects and Classes
Objects encapsulate state and behaviour – numerous 
examples; member variables; attributes or features. 
Variables define state; member functions; 
Operations/methods/ messages/ functions define 
behaviour. 
Classes as abstractions for sets of objects; class as an 
object factory; concept of type, primitive data types, 
composite data types. Variable declarations for both 
types; difference between the two types. Objects as 
instances of a class. 
Consider real life examples for explaining the concept 
of class and object.
3. Constructors 
Constructor and its types. 
Default constructor, parameterized constructor, 
constructor with default parameter and constructor 
overloading.
4. Functions
Functions and its types
Need of functions. Types of functions (pure and 
impure). Function declaration and definition, ways of 
calling functions (call by value and call by reference) 
Returning information/messages from the functions 
and use of multiple functions and more than one 
function with the same name (function overloading). 
Use of static data member with static member function.
Discuss invocation of functions on objects (through the 
reference). Discuss the concept of this with a reference 
to the object on which the invocation is made again. 
5. Class as a User Defined Type
Class as a composite type, distinction between 
primitive type and composite or class types.
Class may be considered as a new data type created by 
the user, that has its own functionality.
The distinction between primitive and composite types 
should be discussed through examples. Show how 
classes allow user defined types in programs. All 
primitive types have corresponding class wrappers. 
The following methods are to be covered: 
int parseInt(String s), int valueOf(String s), 
long parseLong(String s), long valueOf(String s), 
float parseFloat(String s), float valueOf(String s), 
double parseDouble(String s), 
double valueOf(String s), boolean isDigit(char ch), 
boolean isLetter(char ch), 
boolean isLetterOrDigit(char ch), 
boolean isLowerCase(char ch), 
boolean isUpperCase(char ch), 
boolean isWhitespace(char ch), 
char to LowerCase (char ch)
char to UpperCase(char ch)
6. Iterations.
Loops, nested loops, break and continue.
Revision of loops (while, do while and for).
Show how each kind of loop can be converted to the 
other form of the loop. Introduce nested loops through 
some simple examples. Demonstrate break and 
continue statements with the help of loops/nested loops.
7. Using Library Classes
Simple input/output. String, packages and import 
statements.
Browsing the documentation for classes in the libraries 
and illustrating their use. The following functions 
have to be covered:
String library functions:
Char charAt (int n)
int compareTo(String1, String2)
String concat(String str)
boolean endsWith(String str)
boolean equals(String str)
boolean equalsIgnoreCase(String str)
int indexOf(char ch)
int lastIndexOf(char ch)
int length( )
String replace (char oldChar,char newChar)
boolean startsWith(String str)
String substring(int beginIndex, int endIndex)
String toLowerCase( )
String toUpperCase( )
String trim( )
String valueOf(all types)
Mathematical Library Functions:
pow(x,y), log(x), sqrt(x), ceil(x), floor(x), rint(x), 
abs(a), max(a, b), min(a,b), random( ), sin(x), cos(x), 
tan(x).
Introduce the concept of packages and import 
statement (Avoid discussing the details of libraries).
8. Encapsulation 
Access specifiers and scope and visibility 
Access specifiers – private and public. Visibility rules 
for private, package and public access specifiers. 
Scope of variables, instance variables, argument 
variables, local variables.
9. Arrays
Arrays –storing, retrieving and arranging data
Arrays and their uses, sorting algorithms - selection 
sort and bubble sort; Search algorithms – linear search 
and binary search Example of a composite type. Array 
creation. Sorting and searching algorithms should be 
discussed (single dimensional array only). 
10. Input/Output
Basic input/output using Scanner and Printer classes 
from JDK.
The Scanner class can be used for input of various 
types of data (e.g. int, float, char etc.) from the standard 
input stream.
asked by Annhaliator (laxyone) 5 years ago
1
can someone explain UNICODE and ASCII with reference to Java? Seriously, java uses unicode or ASCII ?!
asked by Sahaj Shah (eternityseeker) 5 years ago
4
Write a program to initialize a string "India is my country" and convert it as "aidnI si ym yrtnuoc"

Please respond ASAP if you know the solution please :((((
asked by Shivaani Mahesh (yayimmacool) 5 years ago
2

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