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ICSE Class 10 Computer Applications Question 15 of 43

Conditional Constructs in Java — Question 15

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Question

Question 15

What will be the output of the following code?

int x=2,y=5,a=0;
a=x; 
x=y; 
y=a; 
System.out.println("x=" + x + " y=" + y);
Answer

Output is:
x=5 y=2

This code is swapping the values of x and y.

Source: This question is from Conditional Constructs in Java, Computer Applications — Class 10, ICSE Board.

Key Concepts Covered

This question tests your understanding of the following concepts from the chapter Conditional Constructs in Java: Question, Output, Code, Int, System, Out. These are fundamental topics in Computer Applications that students are expected to master as part of the ICSE Class 10 curriculum.

A thorough understanding of these concepts will help you answer similar questions confidently in your ICSE examinations. These topics are frequently tested in both objective and subjective sections of Computer Applications papers. We recommend revising the relevant section of your textbook alongside practising these solved examples to build a strong foundation.

How to Approach This Question

Read the question carefully and identify what is being asked. Break down complex questions into smaller parts. Use the terminology and concepts discussed in this chapter. Structure your answer logically — begin with a definition or key statement, then provide supporting details. Review your answer to ensure it addresses all parts of the question completely.

Key Points to Remember

  • Write programs with proper indentation and comments.
  • Trace through your code with sample inputs to verify correctness.
  • Explain the logic behind each step of your solution.
  • Familiarise yourself with common library functions and methods.

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