Which is better use static methods or create new instatnce each time? : I have about 15 methods i will use it so much in my application i put all in one class and i will call it each time i need which is better make all my methods static or make it non-static and call it like this way
i am using java programming language to create mobile application
in other way which is better

    new MethodHolder().myMethod();

or 

    MethodHolder.myMethod();

which is better for performance or memory 

