Yes, there are some differences between the usage of the static keyword in C# and Java. Here are some of the key differences:

Syntax: In C#, the static keyword is used before the data type to make a member static, whereas in Java, it is used after the access modifier.
Example in C#:
```csharp
public static int myStaticVariable;
```
Example in Java:

```java
public static int myStaticVariable;
```
Access modifiers: In C#, the access modifier of a static member can be any of the access modifiers (public, private, protected, or internal), whereas in Java, it can only be public or package-private (default).
Example in C#:
```csharp
private static int myStaticVariable;
```
Example in Java:
```java
static int myStaticVariable;
```
Static constructors: C# allows for static constructors that are used to initialize static variables, whereas Java does not have a separate syntax for static constructors. Instead, Java uses a static initializer block to initialize static variables.
Example in C#:
```csharp
static MyClass()
{
    myStaticVariable = 42;
}
```
Example in Java:
```java
static {
    myStaticVariable = 42;
}
```
Static classes: C# allows for the creation of static classes, which can only contain static members, whereas Java does not have the concept of static classes.
Example in C#:
```csharp
static class MyStaticClass
{
    public static int myStaticVariable = 42;
}
```
There is no equivalent concept in Java.


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