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Which of the following loop constructs is used to iterate over an array in Java?
- a)for loop
- b)while loop
- c)do-while loop
- d)switch statement
Correct answer is option 'A'. Can you explain this answer?
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Which of the following loop constructs is used to iterate over an arra...
The for loop is commonly used to iterate over an array in Java.
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Which of the following loop constructs is used to iterate over an arra...
For Loop in Java
The for loop in Java is used to iterate over an array or any other kind of sequence. It is a control flow statement that allows code to be repeatedly executed based on a given condition. Here is how a for loop is structured in Java:
- for(initialization; condition; iteration) {
// code to be executed
}
Explanation:
- Initialization: This is where you initialize your loop control variable. It is executed only once at the beginning of the loop.
- Condition: This is the condition that is checked before each iteration of the loop. If the condition is true, the code block inside the loop is executed.
- Iteration: This is where you can update the loop control variable. It is executed after each iteration of the loop.
Example:
java
int[] numbers = {1, 2, 3, 4, 5};
for (int i = 0; i < numbers.length;="" i++)="" />
System.out.println(numbers[i]);
}
In this example, the for loop iterates over the `numbers` array from index 0 to the length of the array. The loop control variable `i` is used to access each element of the array. This is a common way to iterate over arrays in Java using a for loop.
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Which of the following loop constructs is used to iterate over an array in Java?a)for loopb)while loopc)do-while loopd)switch statementCorrect answer is option 'A'. Can you explain this answer?
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