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Execution order of for loop in java

May 07, 2024 am 04:33 AM

The execution sequence of the for loop in Java is: 1. Initialize variables, 2. Test conditions, 3. Execute loop body, 4. Update variables, 5. Repeat steps 2-4 until the condition is false.

Execution order of for loop in java

The execution sequence of for loop in Java:

The for loop in Java is a control structure, used To repeatedly execute a series of statements until a specific condition is met. The execution sequence is as follows:

  1. Initialize variables: The for loop first initializes one or more loop variables to track the progress of the loop.
  2. Test the condition: Then, the loop evaluates a conditional expression. If the condition is true, the statements in the loop body are executed.
  3. Execute the loop body: If the condition is true, execute the statements in the loop body. The body of a loop can contain any number of statements, including other looping or branching statements.
  4. Update variables: After the loop body is executed, the loop variable will update its value. This usually involves incrementing or decrementing a loop variable.
  5. Return to step 2: The loop will return to step 2 to evaluate the conditional expression again. If the condition is still true, the loop continues with steps 3 and 4.
  6. End of loop: If the condition eventually becomes false, the loop will end and control will transfer to the statement following the loop.

Example:

The for loop below will print numbers from 1 to 100:

for (int i = 1; i <= 100; i++) {
    System.out.println(i);
}
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In this example:

  • int i = 1; Initialize loop variable i to 1.
  • i <= 100; is a conditional expression that tests whether i is less than or equal to 100.
  • System.out.println(i); is the loop body, which prints the value of i.
  • i Update the loop variable, incrementing i by 1.

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