(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Rewrite the following code using the if-else statement: 

int m = 400;
double cl). = (m>300) ? (m/10.0) * 2:(m/20.0)−2;

Give the output of the following program segment:

int n = 4279; int d;
while(n>0)
(d=n%10;
System.out.println(d);
n=n/100;
}

Name the following:

The method which has same name as that of the class name.

The access specifier that gives least accessibility is ______.

What is the output of Math.ceil(5.4) + Math.ceil(4.5)?

The extension of a Java source code file is ______.

Which of the following data type cannot be used with switch case construct?

Which of the following mathematical methods returns only an integer?

Define a class to overload the method perform as follows:

"Java compiled code (byte code) can run on all operating systems" - Name the feature.

Which of the following is not true with regards to a switch statement?

Method prototype for the method compute which accepts two integer arguments and returns true/false.

Assertion(A): An argument is a value that is passed to a method when it is called.

Reason(R): Variables which are declared in a method prototype to receive values are called actual parameters.

Rewrite the following code using single if statement.

if(code=='g')
System.out.println("GREEN");
else if(code=='G')
System.out.println("GREEN");

A student executes the following program segment and gets an error. Identify the statement which has an error, correct the same to get the output as WIN.

boolean x=true;
switch(x)
{     case 1:System.out.println("WIN");break;
      case 2;System.out.println("LOOSE");
}

Write the java expression for `root3x + sqrty`

Define a class to accept a number and check whether it is a SUPERSPY number or not. A number is called SUPERSPY if the sum of the digits equals the number of the digits.

Example1:

Input: 1021

Output: SUPERSPY number [SUM OF THE DIGITS = 1+0+2+1 = 4, NUMBER OF DIGITS = 4]

Example2:

Input: 125

Output: Not an SUPERSPY number [1+2+5 is not equal to 3]

Write a program to input integer elements into an array of size 20 and perform the following operations:

(i) Display largest number from the array.
(ii) Display smallest number’ from the array.
(iii) Display sum of all the elements of the array.

Write the return data type of the following function:

endsWith( )

Write two characteristics of a constructor.