What is output by the following code?
以下代码输出什么？

int a = 11;
System.out.println(a / 2);

Question

What is output by the following code?
以下代码输出什么？

int a = 11;
System.out.println(a / 2);

BlackTom AI · Accepted Answer

The question asks what the program prints for the given code snippet. The variable a is declared as an int with the value 11, and then a / 2 is printed.
Option 1: "11 11". This would imply printing the original value twice or some concatenation, which does not reflect how println and integer arithmetic work here. Not correct.
Option 2: "6". In Java, dividing two ints performs integer division, which truncates toward zero. Since 11 / 2 equals 5 with a remainder of 1, the result is not 6. Not correct.
Option 3: "5.5". A decimal result would occur only if at least one operand were a floating-point type (float/double). Both operands are int, so the result remains an int 5, not 5.5. Not correct.
Option 4: "5". This is the correct result: 11 divided by 2 using integer division yields 5, and println prints that value followed by a newline.
Option 5: "6.5". This would require floating-point division; with both operands as int, Java performs integer division, so 6.5 is not produced. Not correct.

What is output by the following code? 以下代码输出什么？ int a = 11; System.out.println(a / 2);单项选择题

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