The difference between "= =" and equals

“==” And equals The difference between

1. “==” Whether two variables or instances point to the same memory space , and equals Is to determine whether the value of memory space pointed by two variables or instances is the same .
2. “==” Compare memory addresses , equals() Is a comparison of the contents of a string .
3. “==” Refers to whether the references are the same , equals() Refers to whether the values are the same .