Declaring multiple variable on one line is difficult to read.
Noncompliant code example
class MyClass
{
private int a, b; // Noncompliant
public void Method()
{
int c, d; // Noncompliant
}
}
Compliant solution
class MyClass
{
private int a;
private int b;
public void Method()
{
int c;
int d;
}
}