A beautiful ICSE class X practice Test

For more java concepts click Wrapper classes in JAVA

In this paper most of the important topics of ICSE syllabus for class X java is covered.

• Section I (Theory) A. Answer the following questions. Write a function prototype of the following:
• A function ConcatChar which takes a string argument and a character argument and returns a string value.
• Write the java expression for the following.2AB/P2-S3
• Find the output of Z:int P= 4;int Z = ++P * (P-- + P++);
• What is a parameterized constructor?        
• Name the package that contains Scanner class.
• Which unit of the class gets called, when the object of the class is created?

What is function overloading? Explain with example.

Explain the function prototype and the signature?

Rewrite the following using if....else

• double disc=(cost>4000)?   cost*5/100   :   60;

Write statements for the following

• To create an object of class Student with default constructor.
• To invoke a method of class Student i.e ShowResult(int marks)

Analyze the following code and state at which iteration does value of b will equate to the initial value of a.
int a=20, int b=15
while (a>10)
{
a--;
b++;

• }                                            Section II (Programs)

Attempt any two programs [2X10=20]

• Define a class to overload a function Sum() as follows:

int Sum(int a, int b) – with two integer arguments (a and b) calculate and return the sum of all the even numbers in the range of a and b.

Sample input: a=4 and b=16

Sample output: sum = 4 + 6 + 8 + 10 + 12 + 14 + 16

double Sum( double n ) - with one double arguments(n) calculate and return the product of the following series:

sum = 1.0 x 2.0 x 3.0 x..........x n

int Sum(int n) - with one integer argument (n) calculate and return sum of only odd digits of the number n

Sample Input : N=43961

Sample output : surg 3+9+ 1= 13

• Define the class called Transport with the following description.Class : TransportData members:       String name: to enter the name      int wt: to enter the weight of the parcel      int charge: To calculate the charges to be paid for the parcel.Member Functions:     Transport(): default constructor to assign the values to the data members    void input():To input the details    void display() : To display the details    void compute(): to calculate the charges to be paidThe charges for the transport company are as follows    weight of the parcel   charges/kg    up to 10 kg                      Rs/- 30    11 to 25                           Rs/- 25    26 to 40                           Rs/- 20    More than 40                   Rs/- 15Write a main method to create an object of the class and call the above member methods.
• Write a program to make a menu driven program to do the following tasks as per user choice.i. To check for the amicable number (Note: An amicable number are pair of numbers such that one is the sum of proper factors of the other.For example 220 and 284sum of factors of 220: 1+2+4+5+10+11+20+22+44+55+110=284sum of factors of 284:1+2+7+71+142=220ii. To check for the prime number. A number that has only two factors is called a prime number.
• For videos related to java programming
• http://www.youtube.com/user/trushnatej