fix typo misspelling of increment() (#20769)

guide/english/java/static/index.md

@@ -62,7 +62,7 @@ public class MyClass {
 }
 // Outputs "2"
 ```
-The output is 2 because it gets incremented by static method `increament()`. Similar to static variables, static methods can also be accessed using instance variables.
+The output is 2 because it gets incremented by static method `increment()`. Similar to static variables, static methods can also be accessed using instance variables.
 
 ## Static Blocks