What does +i+ mean in java

In Java, " i " is a compound assignment operator that increases the value of variable i by 1 and then returns the updated value. It is equivalent to "i = 1", which increases the value of variable i by 1 and updates its reference.

What does i mean in Java

In Java, " i" is A compound assignment operator. It increases the value of variable i by 1 and returns the updated value.

Specifically, the compound assignment operators in Java are as follows:

• = Additive assignment
• -= Subtraction assignment
• *= Multiplication assignment
• /= Division assignment
• %= Take Remainder assignment
• <<= Left shift assignment
• >>= Right shift assignment
• &= and assignment
• |= or assignment
• ^= XOR assignment

Among them, " i" is equivalent to "i = 1". It increases the value of variable i by 1 and then assigns the updated value to i.

Example:

<code class="java">int i = 10;
i += 1; // 等价于 i = i + 1
System.out.println(i); // 输出：11

i = i + 1; // 传统的加法赋值
System.out.println(i); // 输出：12</code>

In the first example, use the compound assignment operator " i" to increase the value of i by 1, and updated the reference of i. In the second example, using traditional additive assignment, a new value is created and then assigned to i.

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