How to print the date in specific format in java?

You can format the dates in java using SimpleDateFormat class from java.text pacakge.

Create an object of SimpleDateFormat - provide the pattern to constructor.
Note: Pattern will have date specific literals.

String pattern = "yy-MM-dd";

SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);

For example: 
package com.algos;

import java.text.SimpleDateFormat;
import java.util.Date;

public class DateFormat {
    public static void main(String[] args) {
        String pattern = "dd-MM-yy";
        SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);
        System.out.println(dateFormat.format(new Date()));
    }
}