i want this questions in java please using eclipse

/** Generates a simple progression. By default: 0, 1, 2, ... */ 2 public class Progression { 3 4 //instance variable 5 protected long current; 6 7 /** Constructs a progression starting at zero. */ 8 public Progression() { this(0); } 9 10 /** Constructs a progression with given start value. */ public Progression(long start) { current = start; } 12 13 /** Returns the next value of the progression. */ 14 public long nextValue() { 15 long answer = current; 16 advance(); // this protected call is responsible for advancing the current value 17 return answer; 18 } 19 20 /** Advances the current value to the next value of the progression. */ protected void advance() { current++; 23 } 24 25 /** Prints the next n values of the progression, separated by spaces. */ 26 public void printProgression(int n) { 27 System.out.print(nextValue()); // print first value without leading space for (int i=1; j