What does; mean in java

In Java, the semicolon (;) is used to indicate the end of a statement. Its main uses include: Statement separator: Separate different statements. Empty statement: Even if it contains no code, the statement needs to end with a semicolon. Rule: Each statement must end with a semicolon. A semicolon cannot appear at the beginning or in the middle of a statement. Semicolons cannot appear in comments. Although the semicolon can be omitted, it is recommended to always use it to avoid compilation errors or unexpected behavior.

;: Semicolon in Java

The semicolon (;) is an important type of Java programming language. symbol. It is used at the end of a statement to indicate the end of the statement.

Uses:

Semicolon is mainly used for the following purposes in Java:

• Statement separator: A semicolon separates one statement from another. For example:

<code class="java">int x = 10;
System.out.println(x);</code>

• Empty statement: A statement that does not contain any code (called an empty statement) also needs to end with a semicolon. For example:

<code class="java">;; // 空语句</code>

Rules:

When using semicolons in Java, you need to follow the following rules:

• Every Statements must end with a semicolon.
• A semicolon cannot appear at the beginning or in the middle of a statement.
• Semicolons cannot appear in comments.

Omit the semicolon:

In some cases, the semicolon can be omitted, but this is not a recommended practice. You can use the semicolon automatic insertion feature, which is available in the IDE or compiler.

If you do not use a semicolon:

If you do not use a semicolon, the compiler will treat the next line of code as part of the current statement. This may cause syntax errors or unexpected behavior. Therefore, it is always recommended to use semicolon in Java.

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