In Java, which loop construct is primarily used when the number of iterations is known?Optionsdo-while loopwhile loopfor loopswitch loop
Question
In Java, which loop construct is primarily used when the number of iterations is known?
Options:
do-while loop
while loop
for loop
switch loop
Solution
Problem Breakdown
- Identify the Java loop constructs available in the options.
- Determine which loop construct is best suited for scenarios where the number of iterations is known.
Relevant Concepts
- For Loop: Commonly used when the number of iterations is predetermined.
- While Loop: Used when the number of iterations is not known beforehand; it continues until a condition is false.
- Do-While Loop: Similar to the while loop but guarantees at least one iteration since the condition is checked after execution.
- Switch Loop: Not a loop construct; it is a control statement that executes code based on the value of a variable.
Analysis and Detail
- The for loop is best suited for scenarios where the number of iterations is known beforehand because it allows the initialization, condition, and increment in a single line. This makes it clear and concise for iterating a specific number of times.
Verify and Summarize
The for loop is the appropriate choice when the number of iterations is known, as it provides a structured way to repeat a block of code.
Final Answer
The correct answer is for loop.
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