Why char array is better than string for storing secure data like password in java?as we know that string is immutable in java if we store password as string, it will be available in memory (heap) ...

I'm working on a small project here, and need to change all spaces in a char array to underscores. Meaning that "One Two Three" is changed to "One_Two_Three".Currently, I'm using a function I ...

So Each Game Loop generate StringBuilder(). It make GC work more frequently. Nowaday memory size is so much. But Low Memory Device like a Android can prove latency. I think This is so bad for Game ...

Let's consider an example of implementing a stack of characters by using an array. To simplify matters, we assume that we will never need to have more than 100 characters in the stack at any one time.