in c program we write scanf statement .what we have to take in java to read the statement??

Answer 1

To read a string in JAVA , we either use BufferedReader or Scanner .

Using Scanner :

Scanner sc=new Scanner (System.in);
String x=sc.next();

you are ready to input the string now .
btw BufferedReader is better way to take input .

Answer 2

Scanner scanner = new Scanner(System.in);
scanner.<appropriate method>