CBSE Class 12 Informatics Practices Worksheet Set 02 Solved

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1. Write a JAVA code to generate the following series
0,1,1,2,3……….. n terms (use for loop)
 
2. Find the value of X and i after executing the following code:
int X;
int i;
for(i=10;i<=15;i++)
{
X=i++;
- - X;
}
 
3. Write a JAVA code to accept any number from the user and check the number is Armstrong or Not. (use do..while)
 
4. Convert the following from for loop to do…while loop.
int a=24;
int b=35;
int i;
for(i=a;i<=b;i+=1)
{
jTextArea1.append(“ “+i+”\n”);
}
 
5. How jTextField is different from jLabel? Explain with an example. 
 
6. What is the use of Exit Level Loop? Explain. 
 
7. How If statement is different from Switch… Case? Explain with an example.
 
8. Find the output of the following:
int y=70;
int n=150;
if(y<n)
jTextField1.setText(“ “+(n-20));
else
jTextField1.setText(“ “+(y+20));
 
9. Define “Fall through” . Explain with an example. 
 
10. Convert the following code from switch case to If statement.
char ch;
switch (ch)
{
case „a‟:
System.out.println(“It is a.”);
break;
case „b‟:
System.out.println(“It is b.”);
case „c‟:
System.out.println(“It is c.”);
break;
case „d‟:
System.out.println(“It is d.”);
break;
default:
System.out.println(“Not a ,b,c ,and d.”);
}
 
11. How getText() is different from setText()? Explain with an example. 
 
12. What is the use of charAt( )?Explain.


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Practice Worksheet and Study Resources for Class 12 Informatics Practices All Chapters

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FAQs

Where can I download the latest PDF for CBSE Class 12 Informatics Practices Worksheet Set 02 Solved?

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Are these Informatics Practices Class 12 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 12 Informatics Practices Worksheet Set 02 Solved includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

Do you provide solved answers for CBSE Class 12 Informatics Practices Worksheet Set 02 Solved?

Yes, we have provided detailed solutions for CBSE Class 12 Informatics Practices Worksheet Set 02 Solved to help Class 12 and follow the official CBSE marking scheme.

How does solving CBSE Class 12 Informatics Practices Worksheet Set 02 Solved help in exam preparation?

Daily practice with these Informatics Practices worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

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