Reading input from user

• Reading String type of input from user using Java JDK

User can enter any sequence of characters. Pressing ENTER is an indication for the end of input

• Reading integer type of input from user using Java JDK

User should type sequence of digits that can be interpreted as an integer and after that press ENTER

Reading input from an input file

• Reading one by one character
• Reading one by one line
• Reading word by word by distinguishing text from numbers