Getting input from user in java
Java tutorial for beginners playlist
• Java tutorial for beginners
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In this video we will discuss
1. Understanding java packages
2. Taking input from user
3. Streams
4. Scanner
Streams
1. Streams are objects representing source or destination of data
2. They are ordered sequence of bytes (length undefined)
3. System.in, System.out and System.err
4. System.in is InputStream to read standard input
Scanner
1. Breaks the input into tokens using a delimiter
2. Simple text scanner that can parse primitive types + Strings
3. Delimiter is whitespace by default
4. Possible to set delimiter using useDelimiter function
public String next() - Returns the next token
public String nextLine() - Returns the next line as a String
public byte nextByte() - Returns the next token as byte
public int nextInt() - Returns the next token as integer
public short nextShort() - Returns the next token as short
