Compound assignment operator(+=,-=,*=,/=,%=,&=,|=,^=,<<=,>>=,>>>=)are a combination of the assignment operator and an another operator such as an arithmetic operator. So they are also known as Shorthand assignment operators.
When a complete if or if-else statement is written within another if statement, it is known as nesting of the if statement. The nested block can be within the if block or inside the else block.
The full form of ASCII is The American Standard Code for Information Interchange. The ASCII code includes only control characters like A-Z , a-z,special characters(>?<) etc. Computer do not understand anything(like characters) other than numbers(bits or bytes).
Jump statement are used to alter the flow of control unconditionally. That is, jump statement transfer the program control unconditionally. The jump statement defined in Java are break, continue and return.