[Solved] Identify the problem in this code:class Example { static int number; void setNumber(int number) { this.number = number; } } | Java

Java - Static Keyword

Identify the problem in this code:

class Example {
    static int number;
    void setNumber(int number) {
        this.number = number;
    }
}

ACannot use 'this' to refer to static variable

BStatic variables cannot be assigned values

CMethod setNumber must be static

DNo problem, code is correct

Step-by-Step Solution

Solution:

Step 1: Understand 'this' keyword usage
'this' refers to the current object instance and cannot be used for static variables.
Step 2: Check assignment to static variable
Static variable 'number' should be accessed by class name or directly, not with 'this'.
Final Answer:
Cannot use 'this' to refer to static variable -> Option A
Quick Check:
'this' with static variable error = B [OK]

Quick Trick: 'this' is for instance, not static members [OK]

Common Mistakes:

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