Character input in java

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Take character input using BufferedReader in java
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In BufferedReader what happen when ,it takes input from user as String always.

String Input
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BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
String s=br.readLine();

Character Input
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BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
char ch=(char)br.read();

Integer Input
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BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
int a=Integer.parseInt(br.readLine());



#useOfBufferedReader
#use of BufferedReader
#take character input in java

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